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12591347 — HINGE BLOCK,BREECHBLOCK

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12591347: HINGE BLOCK,BREECHBLOCK.

The HINGE BLOCK,BREECHBLOCK is a the manufacturer industrial component. Key specifications include end_item_identification: M119A1 HOWITZER. This part is cataloged in the U.S.

Government catalog under NSN 1015-01-343-3354, 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
12591347
NSN: 1015-01-343-3354
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 HOWITZER
general_characteristics_item_descriptionC/O SPRING,PN 12591550; BALL,PN MS19059-508; BODY,PN 12591548; PIN,PN MS16562-212; COLLAR,PN 12591549; CATCH,HINGE PIN,PN 12591547
NSN1015-01-343-3354
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HINGE BLOCK,BREECHBLOCK TITLE COMPONENT PN 12591347 MFR HINGE BLOCK,BREECHBLOC
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: C/O SPRING,PN 12591550; BALL,PN MS19059-508; BODY,PN 12591548; PIN,PN MS16562-212; COLLAR,PN 12591549; CATCH,HINGE PIN,PN 12591547
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONC/O SPRING,PN 12591550; BALL,PN MS19059-508; BODY,PN 12591548; PIN,PN MS16562-212; COLLAR,PN 12591549; CATCH,HINGE PIN,PN 12591547
END ITEM IDENTIFICATIONM119A1 HOWITZER
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: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 12591347?
12591347 is a HINGE BLOCK,BREECHBLOCK.
What is the NSN for 12591347?
12591347 is cataloged in the U.S. Government catalog under NSN 1015-01-343-3354. 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.