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8437790 — COUNTER ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8437790: COUNTER ASSEMBLY.

The COUNTER ASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: 20MM,X163,AA,S.P.,GUN MM. This part is cataloged in the U.S.

Government catalog under NSN 1005-00-105-2845, 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
8437790
NSN: 1005-00-105-2845
FSC: 1005 — Guns, Through 30mm
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
end_item_identification20MM,X163,AA,S.P.,GUN MM
NSN1005-00-105-2845
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUNTER ASSEMBLY TITLE COMPONENT PN 8437790 MFR COUNTER ASSEMBLY
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATION20MM,X163,AA,S.P.,GUN MM
OTHER ITEMS IN FSC 1005 — Guns, Through 30mm
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1005-00-214-0934 1005-00-344-6252 1005-00-512-6168 1005-00-915-0903 1005-00-937-5839 1005-00-937-5840 1005-01-251-9180
SUBSTITUTES & CROSS-REFERENCES 1
1005001052845Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 8437790?
8437790 is a COUNTER ASSEMBLY.
What parts can replace 8437790?
There is 1 known substitute for 8437790: 1005001052845. Substitute compatibility should be verified for your specific system.
What is the NSN for 8437790?
8437790 is cataloged in the U.S. Government catalog under NSN 1005-00-105-2845. 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.