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303814 — SHAFT,STRAIGHT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

303814: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-432-5502, 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
303814
NSN: 5330-01-432-5502
NIINs: 014325502, 016159799
FSC: 5330 — Packing and Gasket Materials
CAGE: 59793 — HYDAC CORP (USA)
SPECIFICATIONS
Part Number303814
NSN5330-01-432-5502
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 303814 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
SUBSTITUTES & CROSS-REFERENCES 5
40085121Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
RF-BNHC-950-F-10E-1.1/16SEAL-KITSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
RF950-BUNA-SEAL-KITReference document
Same NSN cross-reference
Reference document — Design control — primary reference
RF950-SEAL-KIT- BUNAReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
U80238602Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 303814?
303814 is a SHAFT,STRAIGHT.
What parts can replace 303814?
There are 5 known substitutes for 303814: 40085121, RF-BNHC-950-F-10E-1.1/16SEAL-KIT, RF950-BUNA-SEAL-KIT and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 303814?
303814 is cataloged in the U.S. Government catalog under NSN 5330-01-432-5502. 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.