PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12956131Cartridge,5.56 Millimeter

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate · NSN 1305-01-546-6100 · FSC 1305 · No Item Name Available
Verified by PartsTable
NSN 1305-01-546-6100 — this item is cataloged by the U.S. Government under National Stock Number 1305-01-546-6100. Primary manufacturer part number: 12956131.
Features
  • Cartridge,5.56 Millimeter — FSC 1305
  • Cartridge Model Number: M995
  • Dot Registration Code: EX2008070051
  • Net Explosive Weight: 0.001834 TRANSPORTATION POUNDS AND 0.001834 STORAGE POUNDS
  • Dot Identification Number: UN0339
  • Dod Ammunition Code: 1305-AB33
  • Dot Proper Shipping Name: CARTRIDGES,SMALL ARMS
  • Hazardous Material Classification Code: 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND C STORAGE COMPATIBILITY GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cartridge,5.56 Millimeter, cataloged under National Stock Number 1305-01-546-6100, is classified within Federal Supply Class 1305 (No Item Name Available) of the Ammunition and Explosives group. The primary manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1305-01-546-6100
Primary Part Number12956131
Item NameCartridge,5.56 Millimeter
FSC / FSG1305 / 13 — No Item Name Available
ManufacturerCombat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
StatusACTIVE
Cartridge Model NumberM995
Dot Registration CodeEX2008070051
Net Explosive Weight0.001834 TRANSPORTATION POUNDS AND 0.001834 STORAGE POUNDS
Dot Identification NumberUN0339
Dod Ammunition Code1305-AB33
Dot Proper Shipping NameCARTRIDGES,SMALL ARMS
Hazardous Material Classification Code1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND C STORAGE COMPATIBILITY GROUP
Weapon for Which DesignedMACHINE GUN M249
Cartridge Design TypeARMOR PIERCING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1305-01-393-705012972340 INTERCHANGEABLE
Cartridge,5.56 Millimeter
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
1305-01-393-705212972339 INTERCHANGEABLE
Cartridge,5.56 Millimeter
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
1005-01-581-057313015410 INTERCHANGEABLE
Ring Assembly,turret Rotation
U S Army Tank Automotive Command Amsta-Im-Mm
2510-01-589-182113015410 INTERCHANGEABLE
Turret,combat Vehicle
Am General Llc
Cross-Reference Index
Part NumberManufacturer
13015410 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
1305-AB33 Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics (USA)
12956131 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
1305-01-393-7050INTERCHANGEABLE
CARTRIDGE,5.56 MILLIMETER
12972340
1305-01-393-7052INTERCHANGEABLE
CARTRIDGE,5.56 MILLIMETER
12972339
1005-01-581-0573INTERCHANGEABLE
RING ASSEMBLY,TURRET ROTATION
13015410
2510-01-589-1821INTERCHANGEABLE
TURRET,COMBAT VEHICLE
13015410

Frequently Asked Questions

What is NSN 1305-01-546-6100?

NSN 1305-01-546-6100 is a Cartridge,5.56 Millimeter, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1305 (No Item Name Available). Status: active.

What are the part numbers for NSN 1305-01-546-6100?

NSN 1305-01-546-6100 has 3 cross-referenced part numbers: 13015410 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 1305-AB33 (Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics), 12956131 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 1305-01-546-6100?

There are 4 known substitutes for 1305-01-546-6100: 1305-01-393-7050, 1305-01-393-7052, 1005-01-581-0573 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12956131?

Key specifications for 12956131: Cartridge Model Number: M995; Dot Registration Code: EX2008070051; Net Explosive Weight: 0.001834 TRANSPORTATION POUNDS AND 0.001834 STORAGE POUNDS; Dot Identification Number: UN0339. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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