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Technical Data Sheet
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7744669 ✓ 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 material: ALUMINUM ALLOY, features_provided: BEVELED SEAT AND SHOULDER, end_item_identification: 2350-00-049-4791 GUN,AIR DEFENSE,FT, material_document_and_classification: AMS 4120, T4 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-774-4669, 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
7744669
NSN: 5340-00-774-4669
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
features_providedBEVELED SEAT AND SHOULDER
end_item_identification2350-00-049-4791 GUN,AIR DEFENSE,FT
material_document_and_classificationAMS 4120, T4 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-774-4669
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7744669 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4120, T4 ASSN STD SINGLE MATERIAL RESPONSE
•
FEATURES PROVIDED: BEVELED SEAT AND SHOULDER
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4120, T4 ASSN STD SINGLE MATERIAL RESPONSE
FEATURES PROVIDEDBEVELED SEAT AND SHOULDER
END ITEM IDENTIFICATION2350-00-049-4791 GUN,AIR DEFENSE,FT
MATERIALALUMINUM ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
301680Interchangeable
interchangeable cross-reference
interchangeable
945017-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7744669?
7744669 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 7744669?
There are 2 known substitutes for 7744669: 301680, 945017-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 7744669?
7744669 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-774-4669. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026