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SOS-5100-21PK — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SOS-5100-21PK: O-RING.

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

Government catalog under NSN 5331-01-581-3969, 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
SOS-5100-21PK
NSN: 5331-01-581-3969
FSC: 5331 — O-ring
CAGE: Z5389 — SOS MARINE CASE INVESTMENTS PTY LTD (AUS)
SPECIFICATIONS
end_item_identificationGASKET
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-581-3969
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SOS-5100-21PK 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 AGENCYO-RING
END ITEM IDENTIFICATIONGASKET
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SOS-5100-21PK?
SOS-5100-21PK is a O-RING.
What is the NSN for SOS-5100-21PK?
SOS-5100-21PK is cataloged in the U.S. Government catalog under NSN 5331-01-581-3969. This indicates validated use in U.S. government and defense supply chains.
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