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P321-17 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P321-17: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: NEXT ASSEMBLY:M-132 PUSH BUTTON SWITCH,BULKHEAD MOUNT,WATERPROOF, end_item_identification: ASCO 193 AUTO BUS TRANSFER SWITCH. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-595-4204, 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
P321-17
NSN: 5331-01-595-4204
FSC: 5331 — O-ring
CAGE: 75214 — KAHLENBERG INDUSTRIES, INC. DBA KAHLENBERG INDUSTRIES INC (USA)
SPECIFICATIONS
special_featuresNEXT ASSEMBLY:M-132 PUSH BUTTON SWITCH,BULKHEAD MOUNT,WATERPROOF
end_item_identificationASCO 193 AUTO BUS TRANSFER SWITCH
NSN5331-01-595-4204
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P321-17 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNEXT ASSEMBLY:M-132 PUSH BUTTON SWITCH,BULKHEAD MOUNT,WATERPROOF
END ITEM IDENTIFICATIONASCO 193 AUTO BUS TRANSFER SWITCH
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 1
DWG 3-6528 ITEM 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P321-17?
P321-17 is a O-RING.
What parts can replace P321-17?
There is 1 known substitute for P321-17: DWG 3-6528 ITEM 6. Substitute compatibility should be verified for your specific system.
What is the NSN for P321-17?
P321-17 is cataloged in the U.S. Government catalog under NSN 5331-01-595-4204. This indicates validated use in U.S. government and defense supply chains.
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