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ST1946-012 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST1946-012: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: KC-46A AIRCRAFT A, reference_number_differentiating_characteristics: ITEM IS FAA CERTIFIED. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-281-3848, 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
ST1946-012
NSN: 5331-01-281-3848
NIINs: 012813848, 016701694
FSC: 5331 — O-ring
CAGE: 70106 — ACUSHNET RUBBER COMPANY, INC. DBA PRECIX (USA)
SPECIFICATIONS
end_item_identificationKC-46A AIRCRAFT A
reference_number_differentiating_characteristicsITEM IS FAA CERTIFIED
NSN5331-01-281-3848
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST1946-012 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 7
M83485/1-012Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL1850744Reference document
Same NSN cross-reference
Reference document — Informative reference only
V0835-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
10441973Reference document
Same NSN cross-reference
Reference document — Informative reference only
5331PL0658518Reference document
Same NSN cross-reference
Reference document — Informative reference only
2-012V835-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST1946-012?
ST1946-012 is a O-RING.
What parts can replace ST1946-012?
There are 7 known substitutes for ST1946-012: M83485/1-012, 5331PL1850744, V0835-75 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST1946-012?
ST1946-012 is cataloged in the U.S. Government catalog under NSN 5331-01-281-3848. This indicates validated use in U.S. government and defense supply chains.
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