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Technical Data Sheet
PartsTable / COMPONENT / 12412993-18
12412993-18 ✓ 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: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE, overall_diameter: 0.453 INCHES NOMINAL IN, special_features: MOUNTING HOLE DIA. 1.375 NOMINAL INCH, HEAD DIA 1.500 NOMINAL INCH; CONVEX, MATT FINISH BLACK, end_item_identification: 2320-01-549-8565 TRUCK, CARGO, part_name_assigned_by_controlling_agency: DOME PLUG.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-575-7691, 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
12412993-18
NSN: 5340-01-575-7691
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE
overall_diameter0.453 INCHES NOMINAL IN
special_featuresMOUNTING HOLE DIA. 1.375 NOMINAL INCH, HEAD DIA 1.500 NOMINAL INCH; CONVEX, MATT FINISH BLACK
end_item_identification2320-01-549-8565 TRUCK, CARGO
part_name_assigned_by_controlling_agencyDOME PLUG
NSN5340-01-575-7691
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12412993-18 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
•
OVERALL DIAMETER: 0.453 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMOUNTING HOLE DIA. 1.375 NOMINAL INCH, HEAD DIA 1.500 NOMINAL INCH; CONVEX, MATT FINISH BLACK
OVERALL DIAMETER0.453 INCHES NOMINAL IN
END ITEM IDENTIFICATION2320-01-549-8565 TRUCK, CARGO
PART NAME ASSIGNED BY CONTROLLING AGENCYDOME PLUG
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2753Upgraded Successor
successor cross-reference
successor
R2 25A DISPOSABLE ADULT SENSORUpgraded Successor
successor cross-reference
successor
6515NCM105668Upgraded Successor
successor cross-reference
successor
00044Interchangeable
interchangeable cross-reference
interchangeable
1528T25Interchangeable
interchangeable cross-reference
interchangeable
AA-233-10XInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12412993-18?
12412993-18 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 12412993-18?
There are 11 known substitutes for 12412993-18: 2753, R2 25A DISPOSABLE ADULT SENSOR, 6515NCM105668 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12412993-18?
12412993-18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-575-7691. 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