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Technical Data Sheet
785640 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include end_item_identification: 155LW HOWITZER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-526-2160, 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
785640
NSN: 5340-01-526-2160
FSC: 5340
CAGE: Z4497 — SINCLAIR & RUSH PTY LTD (AUS)
SPECIFICATIONS
end_item_identification155LW HOWITZER
NSN5340-01-526-2160
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 785640 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 (FLIS)
END ITEM IDENTIFICATION155LW HOWITZER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
T-3Upgraded Successor
successor cross-reference
successor
13050181Interchangeable
Same NIIN cross-reference
interchangeable
AMP-02-08-71216Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 785640?
785640 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 785640?
There are 3 known substitutes for 785640: T-3, 13050181, AMP-02-08-71216. Substitute compatibility should be verified for your specific system.
What is the NSN for 785640?
785640 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-526-2160. This indicates validated use in U.S. government and defense supply chains.
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