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LO1278 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

LO1278: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: ORING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-367-6592, 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
LO1278
NSN: 5331-01-367-6592
FSC: 5331 — O-ring
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyORING
NSN5331-01-367-6592
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LO1278 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYORING
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 2
A6689.232.142Reference document
Same NSN cross-reference
Reference document — Secondary reference
PO013676592Reference document
Same NSN cross-reference
Reference document — Secondary 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 LO1278?
LO1278 is a O-RING.
What parts can replace LO1278?
There are 2 known substitutes for LO1278: A6689.232.142, PO013676592. Substitute compatibility should be verified for your specific system.
What is the NSN for LO1278?
LO1278 is cataloged in the U.S. Government catalog under NSN 5331-01-367-6592. This indicates validated use in U.S. government and defense supply chains.
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