PartsTable
Technical Data Sheet
81277-27 ✓ 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 GASKET is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-343-1724, 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
81277-27
NSN: 5330-01-343-1724
FSC: 5330
CAGE: 24658 — GENERAL REGULATOR CORP. DBA ACCUDRIV (USA)
SPECIFICATIONS
Part Number81277-27
NSN5330-01-343-1724
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81277-27 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 4
2522Interchangeable
interchangeable cross-reference
interchangeable
202522Interchangeable
interchangeable cross-reference
interchangeable
72523Interchangeable
interchangeable cross-reference
interchangeable
9740 PIECE 27Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81277-27?
81277-27 is a GASKET.
What parts can replace 81277-27?
There are 4 known substitutes for 81277-27: 2522, 202522, 72523 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81277-27?
81277-27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-343-1724. This indicates validated use in U.S. government and defense supply chains.
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