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12591446 — LEVER,BREECHBLOCK,COCKING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12591446: LEVER,BREECHBLOCK,COCKING.

The LEVER,BREECHBLOCK,COCKING is a the manufacturer industrial component. Key specifications include end_item_identification: M119A1 HOW. This part is cataloged in the U.S.

Government catalog under NSN 1015-01-343-1907, 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
12591446
NSN: 1015-01-343-1907
FSC: 1015 — Guns, 75mm Through 125mm
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
end_item_identificationM119A1 HOW
general_characteristics_item_descriptionMATERIAL:STEEL; 1.560 IN. LG;0.250 IN.; TH; ONE HOLE 0.4375 IN. DIA;FINISH:125 MICROINCHES;HARDENED TO ROCKWELL C 40-45 IN
NSN1015-01-343-1907
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LEVER,BREECHBLOCK,COCKING TITLE COMPONENT PN 12591446 MFR LEVER,BREECHBLOCK,COCK
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL:STEEL; 1.560 IN. LG;0.250 IN.; TH; ONE HOLE 0.4375 IN. DIA;FINISH:125 MICROINCHES;HARDENED TO ROCKWELL C 40-45 IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL:STEEL; 1.560 IN. LG;0.250 IN.; TH; ONE HOLE 0.4375 IN. DIA;FINISH:125 MICROINCHES;HARDENED TO ROCKWELL C 40-45 IN
END ITEM IDENTIFICATIONM119A1 HOW
OTHER ITEMS IN FSC 1015 — Guns, 75mm Through 125mm
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1015-00-007-2130 1015-00-010-3016 1015-00-012-4484 1015-00-014-2592 1015-00-014-2600 1015-00-014-2631 1015-00-014-7073 1015-00-014-7075
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 12591446?
12591446 is a LEVER,BREECHBLOCK,COCKING.
What is the NSN for 12591446?
12591446 is cataloged in the U.S. Government catalog under NSN 1015-01-343-1907. 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.