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946.33.21.258 — COLLIER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

946.33.21.258: COLLIER.

The COLLIER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-393-6545, 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
946.33.21.258
NSN: 5340-01-393-6545
FSC: 5340 — Hardware, Commercial
CAGE: S4080 — PILATUS AIRCRAFT LTD (CHE)
SPECIFICATIONS
Part Number946.33.21.258
NSN5340-01-393-6545
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 946.33.21.258 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 2
174420Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
946.33.21.208Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 946.33.21.258?
946.33.21.258 is a COLLIER.
What parts can replace 946.33.21.258?
There are 2 known substitutes for 946.33.21.258: 174420, 946.33.21.208. Substitute compatibility should be verified for your specific system.
What is the NSN for 946.33.21.258?
946.33.21.258 is cataloged in the U.S. Government catalog under NSN 5340-01-393-6545. This indicates validated use in U.S. government and defense supply chains.
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