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Technical Data Sheet
PartsTable / O-RING / PRP902-27
PRP902-27 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 1.739 INCHES MINIMUM AND 1.785 INCHES MAXIMUM IN, center_hole_diameter: 1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-291-5578, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PRP902-27
NSN: 5331-00-291-5578
FSC: 5331 — O-RING
CAGE: 25073 — GLEDHILL ROAD MACHINERY COMPANY, THE (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter1.739 INCHES MINIMUM AND 1.785 INCHES MAXIMUM IN
center_hole_diameter1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-291-5578
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PRP902-27 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
9SK4852Interchangeable
interchangeable cross-reference
interchangeable
392-7131-1Interchangeable
interchangeable cross-reference
interchangeable
11243Interchangeable
interchangeable cross-reference
interchangeable
MS28775-222Interchangeable
interchangeable cross-reference
interchangeable
N304-75-222Interchangeable
interchangeable cross-reference
interchangeable
0619799Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PRP902-27?
PRP902-27 is a O-RING.
What parts can replace PRP902-27?
There are 19 known substitutes for PRP902-27: 9SK4852, 392-7131-1, 11243 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PRP902-27?
PRP902-27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-291-5578. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026