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- Ingersoll Rand
- 95026977
- O-Ring
- USA
- 133.35 × 142.88 × 4.76 mm
- 0.1 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 95026977 O-Ring is a replacement sealing component used in compatible Ingersoll Rand compressor equipment. It forms a seal between mating surfaces, helping prevent fluid or gas leakage at the designated connection or housing interface.
In compressor assemblies, O-rings are commonly installed in grooves around covers, housings, fittings, and other components that require a sealed joint. When assembled, the ring is compressed between the mating surfaces to create a sealing barrier. The effectiveness of this barrier depends on the correct ring size, material compatibility, groove condition, and assembly method.
Part number 95026977 is identified as a compressor O-ring with a nominal inside diameter of 5¼ inches, an outside diameter of 5⅝ inches, and a cross-section of 3/16 inch. These dimensions distinguish it from smaller O-rings used in other compressor connections. Selecting the correct part is important because a ring with an unsuitable cross-section or diameter may not seat properly or maintain the required compression.
Over time, an O-ring can deteriorate through exposure to heat, pressure, lubricants, and repeated maintenance. Hardening, cracking, flattening, or cuts can compromise the seal and cause leakage. When replacing the 95026977, the associated groove and mating surfaces should also be inspected to ensure that the new ring can form an effective seal.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model / Part Number | 95026977 |
| Product Type | O-Ring |
| Component Category | Static Sealing Component |
| Primary Function | Seals a designated joint between mating surfaces |
| Application | Compatible Ingersoll Rand compressor equipment |
| Inside Diameter | 5¼ in |
| Outside Diameter | 5⅝ in |
| Cross-Section Diameter | 3/16 in |
| Seal Type | Elastomeric O-ring |
| Dimensions | 133.35 × 142.88 × 4.76 mm |
| Weight | 0.1 kg |
Product Features
- Compressor sealing application: Provides a sealing element for the designated compressor assembly.
- Defined diameter specification: The identified inside and outside diameters help distinguish this part from other O-rings.
- Compressed-joint sealing: Forms a barrier when installed in a correctly sized groove between mating surfaces.
- Replacement-part identification: The 95026977 part number supports spare-parts tracking and maintenance planning.
- Serviceable construction: Allows replacement when inspection identifies damage, deformation, or loss of sealing performance.
- Compatibility-dependent performance: Requires a suitable groove, mating surface, and elastomer material for the operating environment.
Working Principle
The 95026977 O-ring seals by deforming slightly when compressed between two mating surfaces. This deformation fills the clearance at the joint and restricts the passage of air, oil, or another medium through the sealing interface.
A simplified arrangement is:
First Mating Surface → Compressed O-Ring → Second Mating Surface
During assembly, the ring sits in a designated groove. When the joint is closed, the O-ring is compressed to the specified degree, creating contact pressure against the groove and opposing surface. In a pressurized compressor system, the pressure acting on the ring can further support sealing when the groove and material are correctly designed for the application.
The seal’s performance depends on more than its nominal diameter. Excessive compression can damage the ring, while insufficient compression may allow leakage. A twisted ring, contaminated groove, scratched mating surface, or incompatible lubricant can also affect sealing performance.
Part number 95026977 is identified by its inch-based nominal dimensions. These specifications should be distinguished from the separate 50 × 10 × 30 mm measurement supplied for the product listing, which does not correspond directly to the identified O-ring diameter and cross-section. The exact physical measurements should therefore be checked against the installed component before replacement.
The material grade and permitted operating limits should match the compressor’s specified service requirements. An O-ring that fits mechanically may still be unsuitable if it cannot withstand the temperature, pressure, or fluid exposure of the joint.
Role in the Compressor Sealing System
The 95026977 O-ring provides a sealing interface at its designated installation point. It works with the groove, mating surfaces, and fastened joint to prevent leakage from the associated compressor assembly.
Compressor Housing or Connection → O-Ring Groove → 95026977 O-Ring → Mating Component
| System Component | Function |
|---|---|
| 95026977 O-Ring | Seals the designated interface between mating components |
| O-Ring Groove | Locates the ring and controls its installed compression |
| Mating Surface | Compresses the ring to establish the sealing barrier |
| Compressor Housing | Supports the associated connection or assembly |
| Fasteners or Retainers | Maintain the joint position where fitted |
| Lubrication Circuit | Carries lubricant through applicable compressor components |
| Pressure Circuit | Contains compressed air or other pressurized media where applicable |
| Maintenance Personnel | Inspect the seal and mating surfaces during servicing |
Industrial Applications
| Application | Typical Use |
|---|---|
| Industrial Compressor Maintenance | Replacing a worn O-ring in a compatible compressor assembly |
| Compressor Housing Joints | Sealing designated interfaces between housing components |
| Fluid Connections | Maintaining a seal at compatible fluid-circuit interfaces |
| Pressure-Control Assemblies | Preventing leakage at specified sealing points |
| Compressor Overhauls | Renewing sealing rings during disassembly and inspection |
| Corrective Maintenance | Addressing leakage traced to a damaged O-ring |
| Preventive Maintenance | Inspecting seals during scheduled equipment servicing |
| Industrial Utility Systems | Maintaining sealing integrity in compatible compressed-air equipment |
Installation and Maintenance
- Verify the part number: Confirm 95026977 against the installed component and the compressor’s parts identification.
- Check the original seal dimensions: Compare the existing ring’s inside diameter, outside diameter, and cross-section with the identified 5¼ × 5⅝ × 3/16-inch specification.
- Identify the sealing location: Determine which housing, cover, fitting, or other joint uses the O-ring.
- Shut down the equipment: Follow the compressor’s approved shutdown procedure before starting maintenance.
- Isolate and depressurize the system: Verify that the relevant circuit is safely isolated and pressure-free before opening the joint.
- Remove the old ring carefully: Avoid scratching the groove or mating surface with sharp removal tools.
- Inspect the removed O-ring: Look for cuts, flattening, hardening, cracking, swelling, or other signs of deterioration.
- Clean the groove and mating surfaces: Remove residue and contamination using a method compatible with the assembly and sealing material.
- Check material compatibility: Ensure that the replacement O-ring is suitable for the operating fluid, temperature, and pressure conditions.
- Install the replacement correctly: Use the specified installation method and compatible lubricant where required, keeping the ring free from twists and damage.
- Reassemble and test the joint: Follow the specified tightening procedure and check for leakage when the compressor is returned to service.
- Record the maintenance: Document the replacement part number, sealing location, observed damage, and results of the post-maintenance inspection.
Compatible System Components
| Component | Function |
|---|---|
| Compatible Ingersoll Rand Compressor | Provides the equipment assembly using the specified sealing component |
| O-Ring Groove | Locates the ring and controls compression |
| Mating Housing or Cover | Forms the joint sealed by the O-ring |
| Fasteners or Retainers | Secure the assembled components |
| Lubrication Circuit | Carries lubricant through applicable equipment sections |
| Pressure Connections | Contain compressed air or other media where applicable |
| Compatible Cleaning Materials | Remove contamination during seal replacement |
| Approved Assembly Lubricant | Supports installation where specified by the service procedure |
Recommended Related Models
| Model / Part Number | Product Type | Main Application |
|---|---|---|
| Ingersoll Rand 95026977 | O-Ring | Compressor O-ring identified by 5¼-inch inside diameter |
| Ingersoll Rand 95026944 | O-Ring | Separate O-ring used in compatible compressor assemblies |
| Ingersoll Rand 95026951 | O-Ring | Related compressor sealing component |
| Ingersoll Rand 95026860 | O-Ring | Separate O-ring reference for other sealing locations |
| Ingersoll Rand 95026845 | O-Ring | Compressor sealing component with a different size designation |
| Ingersoll Rand 95027009 | O-Ring | Related replacement O-ring for its specified assembly |
Key Advantages
- Provides a replaceable sealing element for a compatible compressor joint.
- Uses a defined part number for spare-parts identification.
- Supports leakage control when correctly matched to the groove and operating conditions.
- Allows routine inspection and replacement without automatically changing the complete assembly.
- Helps maintain sealing integrity during compressor servicing.
Technical FAQs
What dimensions identify the 95026977 O-ring?
The part is identified by an inside diameter of 5¼ inches, an outside diameter of 5⅝ inches, and a cross-section of 3/16 inch. These dimensions should be checked against the installed component before ordering a replacement.
Can this O-ring be used for any compressor housing connection with a similar diameter?
No. The groove dimensions, required compression, sealing material, pressure, temperature, and operating fluid all affect suitability. A similar diameter alone does not establish compatibility.
What causes an O-ring to leak after replacement?
Common causes include a damaged or contaminated groove, incorrect ring dimensions, twisted installation, cuts during fitting, unsuitable material, or damage to the mating surfaces. The joint should be inspected before another replacement is installed.
Why should the old O-ring be inspected after removal?
The condition of the removed ring can help identify the cause of the leak. Flattening may indicate prolonged compression, while cuts, cracking, swelling, or hardening can point to installation damage or unsuitable operating conditions.