PartsTable
Technical Data Sheet
Download PDF

4373379 — O-RING SET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4373379: O-RING SET.

The O-RING SET is a the manufacturer industrial component. Key specifications include special_features: 1EA 4373332 ORING 0.351X0.072 NBR 70,1EA 29KP438 ORING 0.414X0.072 NBR 70, end_item_identification: 016525208, component_document_origin: INDUSTRIAL, part_name_assigned_by_controlling_agency: ORING,VALVE, SHOULDER, KIT. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-679-2171, 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
4373379
NSN: 5331-01-679-2171
FSC: 5331 — O-ring
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
special_features1EA 4373332 ORING 0.351X0.072 NBR 70,1EA 29KP438 ORING 0.414X0.072 NBR 70
component_quantity2
end_item_identification016525208
component_document_originINDUSTRIAL
part_name_assigned_by_controlling_agencyORING,VALVE, SHOULDER, KIT
NSN5331-01-679-2171
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4373379 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
KEY FEATURES
•
COMPONENT QUANTITY: 2
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY2
COMPONENT DOCUMENT ORIGININDUSTRIAL
SPECIAL FEATURES1EA 4373332 ORING 0.351X0.072 NBR 70,1EA 29KP438 ORING 0.414X0.072 NBR 70
PART NAME ASSIGNED BY CONTROLLING AGENCYORING,VALVE, SHOULDER, KIT
END ITEM IDENTIFICATION016525208
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
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 4373379?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4373379?
4373379 is a O-RING SET.
What is the NSN for 4373379?
4373379 is cataloged in the U.S. Government catalog under NSN 5331-01-679-2171. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4373379

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.