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917AS10255 — SCREW,ASSEMBLED WASHER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

917AS10255: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 STAND-OFF, thread_class: 2A A, fastener_length: 0.416 INCHES NOMINAL IN, supplementary_features: COGNIZANT SERVICE - NETHERLANDS NAVY, end_item_identification: GUIDED MISSILE VERTICAL LAUNCH,MK48MOD1,RAYTHEON, nominal_thread_diameter: 0.112 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-370-4494, 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
917AS10255
NSN: 5340-01-370-4494
NIINs: 013704494, 013749225
FSC: 5340 — Hardware, Commercial
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 STAND-OFF
thread_class2A A
fastener_length0.416 INCHES NOMINAL IN
supplementary_featuresCOGNIZANT SERVICE - NETHERLANDS NAVY
end_item_identificationGUIDED MISSILE VERTICAL LAUNCH,MK48MOD1,RAYTHEON
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5340-01-370-4494
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 917AS10255 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
KEY FEATURES
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SUPPLEMENTARY FEATURES: COGNIZANT SERVICE - NETHERLANDS NAVY
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCOGNIZANT SERVICE - NETHERLANDS NAVY
END ITEM IDENTIFICATIONGUIDED MISSILE VERTICAL LAUNCH,MK48MOD1,RAYTHEON
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 917AS10255?
917AS10255 is a SCREW,ASSEMBLED WASHER.
What is the NSN for 917AS10255?
917AS10255 is cataloged in the U.S. Government catalog under NSN 5340-01-370-4494. 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.