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3D9943 — VALVE ASSEMBLY,HORN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3D9943: VALVE ASSEMBLY,HORN.

The VALVE ASSEMBLY,HORN is a the manufacturer industrial component. Key specifications include end_item_identification: 3805-01-054-5811. This part is cataloged in the U.S.

Government catalog under NSN 2590-00-030-6368, 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
3D9943
NSN: 2590-00-030-6368
FSC: 2590 — Miscellaneous Vehicular Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
end_item_identification3805-01-054-5811
general_characteristics_item_descriptionFLANGE MTD,TWO 0.265 IN.DIA HOLES,2 IN.C TO C,BUTTON ACTUATED,1/8 IN.INTERNAL PIPE THD OUTLET,1/4 @IN.INTERNAL PIPE THD INLET IN
NSN2590-00-030-6368
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE ASSEMBLY,HORN TITLE COMPONENT PN 3D9943 MFR VALVE ASSEMBLY,HORN
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: FLANGE MTD,TWO 0.265 IN.DIA HOLES,2 IN.C TO C,BUTTON ACTUATED,1/8 IN.INTERNAL PIPE THD OUTLET,1/4 @IN.INTERNAL PIPE THD INLET IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONFLANGE MTD,TWO 0.265 IN.DIA HOLES,2 IN.C TO C,BUTTON ACTUATED,1/8 IN.INTERNAL PIPE THD OUTLET,1/4 @IN.INTERNAL PIPE THD INLET IN
END ITEM IDENTIFICATION3805-01-054-5811
OTHER ITEMS IN FSC 2590 — Miscellaneous Vehicular Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2590-00-001-1252 2590-00-001-1253 2590-00-001-1254 2590-00-001-3423 2590-00-001-3438 2590-00-001-3439 2590-00-001-3461 2590-00-001-3463
SUBSTITUTES & CROSS-REFERENCES 5
181478Reference document
Same NSN cross-reference
Reference document — Secondary reference
29-403-045Reference document
Same NSN cross-reference
Reference document — Secondary reference
52578AXReference document
Same NSN cross-reference
Reference document — Secondary reference
L12647Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
228672Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3D9943?
3D9943 is a VALVE ASSEMBLY,HORN.
What parts can replace 3D9943?
There are 5 known substitutes for 3D9943: 181478, 29-403-045, 52578AX and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3D9943?
3D9943 is cataloged in the U.S. Government catalog under NSN 2590-00-030-6368. 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.