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R4081 — CYLINDER HEAD,COMPRESSOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

R4081: CYLINDER HEAD,COMPRESSOR.

The CYLINDER HEAD,COMPRESSOR is a the manufacturer industrial component. Key specifications include special_features: 4 ATTACHMENT BOLTS NOT INCLUDED, compressor_source: 51436, end_item_identification: RECIPROCATING COMPRESSOR;INGERSOLL-RAND CO;MODEL 242;W/S STRATEGIC SEALIFT CONVERSION SHIPS CLASS, compressor_model_number_for_which_designed: 242. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-314-1856, 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
R4081
NSN: 5331-01-314-1856
NIINs: 013141856, 014256681
FSC: 5331 — O-ring
CAGE: K0460 — JOHNSON CONTROL SYSTEMS LTD (GBR)
SPECIFICATIONS
special_features4 ATTACHMENT BOLTS NOT INCLUDED
compressor_source51436
cylinder_quantity1
end_item_identificationRECIPROCATING COMPRESSOR;INGERSOLL-RAND CO;MODEL 242;W/S STRATEGIC SEALIFT CONVERSION SHIPS CLASS
compressor_model_number_for_which_designed242
NSN5331-01-314-1856
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R4081 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
SUBSTITUTES & CROSS-REFERENCES 1
10123Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R4081?
R4081 is a CYLINDER HEAD,COMPRESSOR.
What parts can replace R4081?
There is 1 known substitute for R4081: 10123. Substitute compatibility should be verified for your specific system.
What is the NSN for R4081?
R4081 is cataloged in the U.S. Government catalog under NSN 5331-01-314-1856. This indicates validated use in U.S. government and defense supply chains.
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