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34J939PC8 — SEAL,BEARING OIL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

34J939PC8: SEAL,BEARING OIL.

The SEAL,BEARING OIL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-306-1008, 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
34J939PC8
NSN: 5330-00-306-1008
FSC: 5330 — Packing and Gasket Materials
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
Part Number34J939PC8
NSN5330-00-306-1008
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 34J939PC8 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
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 10
7B7784ITEM1-2-5-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
15A3429ITEM5-9-17-18Reference document
Same NSN cross-reference
Reference document — Secondary reference
34J939ITEM14T016Reference document
Same NSN cross-reference
Reference document — Secondary reference
37J561ITEM9T012Reference document
Same NSN cross-reference
Reference document — Secondary reference
8A3849ITEM3-4-15-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
36J932PC8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 34J939PC8?
34J939PC8 is a SEAL,BEARING OIL.
What parts can replace 34J939PC8?
There are 10 known substitutes for 34J939PC8: 7B7784ITEM1-2-5-6, 15A3429ITEM5-9-17-18, 34J939ITEM14T016 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 34J939PC8?
34J939PC8 is cataloged in the U.S. Government catalog under NSN 5330-00-306-1008. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.