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- Ingersoll Rand
- 95156402
- O-Ring
- USA
- 50 × 10 × 30 mm
- 0.1 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 95156402 O-Ring is an industrial sealing component used in designated compressor assemblies. Its primary function is to maintain a sealed interface between mating components, helping prevent the escape of air or operating fluids during normal equipment operation. Correct selection depends on the intended installation, sealing geometry, and operating conditions.
The part number 95156402 is listed as an Ingersoll Rand O-ring with a nominal size designation of 11-1/2 × 11-7/8 × 3/16 inches. This is a substantially larger sealing ring than the small O-rings commonly found in compact fittings and valve connections. The specified part reference should therefore be checked carefully against the original assembly before replacement.
In industrial compressor systems, large sealing rings may be used at designated housing interfaces, covers, or other joints where a continuous seal is required. The ring is compressed between mating surfaces to close the clearance at the joint. Its performance depends on the material compound, groove geometry, surface finish, and the pressure and temperature conditions of the application.
For maintenance personnel, identifying the correct O-ring is only the first step. A replacement must also match the required sealing profile and material specification. A ring that is too small, too large, or made from an unsuitable compound may leak, become damaged during assembly, or deteriorate prematurely. The exact installation location for part number 95156402 should be confirmed from the relevant compressor parts breakdown.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model / Part Number | 95156402 |
| Product Type | O-Ring |
| Component Category | Industrial Compressor Sealing Component |
| Primary Function | Seals the interface between mating components |
| Application | Compatible Ingersoll Rand compressor assemblies |
| Nominal Size Designation | 11-1/2 × 11-7/8 × 3/16 inches |
| Material | Confirm against the applicable parts specification |
| Dimensions | 50 × 10 × 30 mm |
| Weight | 0.1 kg |
Product Features
- Continuous sealing interface: Forms a seal around the designated joint when installed in the correct groove.
- Defined replacement reference: The part number helps maintenance teams identify the required sealing component.
- Compressor maintenance application: Supports authorized servicing of compatible equipment assemblies.
- Pressure-boundary support: Helps prevent leakage when used within the limits of the specified installation.
- Groove-mounted design: Relies on the correct groove geometry and compression for effective sealing.
- Service inspection: Can be examined for hardening, deformation, cuts, and other signs of deterioration during maintenance.
Working Principle
The 95156402 O-ring seals through controlled compression between two mating surfaces. When installed in the designated groove, the elastomeric ring deforms to fill the available clearance and establish continuous contact around the joint. This contact restricts the passage of the operating medium through the interface.
A typical sealing arrangement follows this sequence:
Housing or Cover → O-Ring Groove → Compressed O-Ring → Mating Surface
During operation, pressure acts on the seal while temperature changes and mechanical movement may affect the joint. The O-ring must retain suitable elasticity and remain compatible with the operating medium to maintain sealing contact. Incorrect groove dimensions, excessive compression, or an unsuitable material can reduce service life.
As the seal ages, it may develop permanent flattening, surface cracks, hardening, swelling, or abrasion. Damage to the groove or mating surface can also cause leakage, even when a new ring is installed.
Before replacement, technicians should inspect the original seal and its installation location. The groove must be clean and free from debris, while the mating surfaces should be checked for scratches, corrosion, and deformation. The replacement should be fitted without twisting or pinching, using an approved installation lubricant only when the applicable procedure permits it.
The nominal size designation should not be confused with the supplied package dimensions. For a correct fit, verify the actual O-ring specification and the intended assembly rather than relying on the package measurements alone.
Role in the Ingersoll Rand Compressor Sealing System
The 95156402 O-ring serves as a passive sealing element at its designated installation point. It supports the integrity of the assembled joint without controlling pressure, regulating flow, or filtering the operating medium.
Mating Components → O-Ring Sealing Interface → Sealed Joint → Compressor Operating Circuit
| System Component | Function |
|---|---|
| Ingersoll Rand 95156402 O-Ring | Seals the designated interface between mating components |
| Compressor Housing or Cover | Provides the groove or mating surface for the seal |
| Sealing Groove | Positions and supports the O-ring during assembly |
| Fasteners and Retainers | Maintain the required assembled condition |
| Operating Fluid Circuit | Carries the specified medium through the equipment |
| Mating Surfaces | Establish the contact interface required for sealing |
| Compressor Service Documentation | Defines the correct part and installation procedure |
| Maintenance Records | Track seal replacement and recurring leakage issues |
Industrial Applications
| Application | Typical Use |
|---|---|
| Compatible Ingersoll Rand Compressors | Replacing the specified sealing component |
| Compressor Housing Assemblies | Maintaining sealing between designated mating sections |
| Cover and Flange Interfaces | Sealing joints where the part is specified |
| Fluid Circuit Connections | Preventing leakage at compatible sealing interfaces |
| Compressor Overhauls | Renewing designated seals during dismantling and reassembly |
| Industrial Maintenance Workshops | Preparing replacement seals for scheduled service |
| Manufacturing Facilities | Maintaining compressor equipment supporting production |
| Centralized Compressed-Air Systems | Supporting planned compressor maintenance |
| Corrective Maintenance | Addressing leakage after the affected joint has been identified |
| Spare-Parts Inventory Management | Tracking the specified O-ring for future maintenance |
Installation and Maintenance
- Verify the part number: Confirm 95156402 against the equipment parts list and the original seal identification.
- Identify the installation location: Establish which housing, cover, or connection uses the O-ring before dismantling the assembly.
- Confirm the sealing specification: Check the nominal size, cross-section, material, and operating limits required for the joint.
- Isolate the equipment: Follow the approved shutdown, electrical isolation, and pressure-release procedures before opening the relevant assembly.
- Remove the old seal carefully: Avoid scratching the sealing groove or mating surfaces with sharp tools.
- Inspect the removed O-ring: Look for permanent flattening, cracks, cuts, swelling, hardening, or other signs of deterioration.
- Clean the groove: Remove contamination and residue using a cleaning method compatible with the component materials.
- Examine the mating surfaces: Check for corrosion, scratches, burrs, or deformation that could compromise the sealing interface.
- Prepare the replacement: Verify that the new ring matches the specified material and sealing dimensions, and check it for damage before installation.
- Install the O-ring: Position the ring evenly in the groove without twisting, excessive stretching, or pinching.
- Reassemble and test: Follow the specified assembly sequence and tightening requirements, then inspect the joint for leakage under approved operating conditions.
- Record the maintenance: Document the part number, installation location, service date, inspection findings, and any additional corrective work.
Compatible System Components
| Component | Function |
|---|---|
| Ingersoll Rand 95156402 O-Ring | Seals the designated mating interface |
| Compatible Compressor Housing | Provides the specified sealing groove or contact surface |
| Housing Covers | Form joints requiring the designated seal |
| Flanges and Fittings | Connect compatible components at specified interfaces |
| Fasteners and Retainers | Secure the assembled joint |
| Operating Fluid Circuit | Carries the medium contained by the sealed assembly |
| Approved Installation Lubricant | Assists installation where specified |
| Compressor Service Documentation | Defines the required seal and assembly procedure |
| Maintenance Log | Records replacement history and leakage investigations |
Recommended Related Models
| Model / Part Number | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 95156402 | O-Ring | Specified compressor sealing application |
| Ingersoll Rand 95026860 | O-Ring | Separate sealing application in compatible compressor equipment |
| Ingersoll Rand 95269320 | O-Ring | Replacement seal for its designated assembly |
| Ingersoll Rand 95070272 | O-Ring | Sealing application in compatible equipment |
| Ingersoll Rand 95720272 | O-Ring | Replacement sealing component for its specified installation |
| Ingersoll Rand 95026845 | O-Ring | Related compressor sealing component |
Key Advantages
- Helps maintain sealing integrity at the specified joint.
- Provides a traceable part number for replacement planning.
- Supports scheduled compressor maintenance and corrective repairs.
- Helps prevent leakage when the ring matches the required groove and operating conditions.
- Supports consistent seal identification and maintenance recordkeeping.
Technical FAQs
What should be verified when selecting the 95156402 O-ring for a replacement?
Confirm the complete part number, intended installation location, required sealing profile, and material specification. The replacement must match the original application rather than being selected solely by appearance.
How can operating fluid affect the service life of an O-ring?
An incompatible fluid may cause the sealing material to swell, soften, harden, or lose its elasticity. The material must therefore be suitable for the actual operating medium and the temperature conditions specified for the equipment.
Why might an O-ring become damaged during assembly?
Common causes include twisting, pinching, excessive stretching, sharp edges, contaminated grooves, and incorrect installation methods. Inspect the sealing surfaces and follow the specified fitting procedure to reduce the risk of damage.
What should be checked if a joint leaks intermittently after maintenance?
Inspect the O-ring seating, groove condition, mating surfaces, and assembly fastening. Also consider pressure fluctuations, temperature changes, and whether the installed seal matches the required specification. Intermittent leakage may originate from the joint or its operating conditions rather than the replacement ring alone.