PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7350899-2Cartridge,caliber .50

Naval Sea Systems Command · NSN 1305-01-671-6579 · FSC 1305 · No Item Name Available
Verified by PartsTable
NSN 1305-01-671-6579 — this item is cataloged by the U.S. Government under National Stock Number 1305-01-671-6579. Primary manufacturer part number: 7350899-2.
Features
  • Cartridge,caliber .50 — FSC 1305
  • Dod Ammunition Code: 1305-AA42
  • Cartridge Grouping Type: SINGLE ROUND
  • Cartridge Design Type: ARMOR PIERCING-INCENDIARY
  • Unable to Decode: UNABLE TO DECODE
  • Cartridge Model Number: MK 257 MOD 0
  • 2 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cartridge,caliber .50, cataloged under National Stock Number 1305-01-671-6579, is classified within Federal Supply Class 1305 (No Item Name Available) of the Ammunition and Explosives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1305-01-671-6579
Primary Part Number7350899-2
Item NameCartridge,caliber .50
FSC / FSG1305 / 13 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Dod Ammunition Code1305-AA42
Cartridge Grouping TypeSINGLE ROUND
Cartridge Design TypeARMOR PIERCING-INCENDIARY
Unable to DecodeUNABLE TO DECODE
Cartridge Model NumberMK 257 MOD 0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1305-01-464-32187350899 INTERCHANGEABLE
Cartridge,caliber .50
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
1305-AA42 Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics (USA)
7350899-2 PRIMARY Naval Sea Systems Command (USA)
Related Parts
1305-01-464-3218INTERCHANGEABLE
CARTRIDGE,CALIBER .50
7350899

Frequently Asked Questions

What is NSN 1305-01-671-6579?

NSN 1305-01-671-6579 is a Cartridge,caliber .50, manufactured by Naval Sea Systems Command, classified under FSC 1305 (No Item Name Available). Status: active.

What are the part numbers for NSN 1305-01-671-6579?

NSN 1305-01-671-6579 has 2 cross-referenced part numbers: 1305-AA42 (Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics), 7350899-2 (Naval Sea Systems Command).

What NSN replaces 1305-01-671-6579?

There is 1 known substitute for 1305-01-671-6579: 1305-01-464-3218. Verify interchangeability with system specifications before substitution.

What are the specifications of 7350899-2?

Key specifications for 7350899-2: Dod Ammunition Code: 1305-AA42; Cartridge Grouping Type: SINGLE ROUND; Special Features: 50 CAL ARMOR-PIERCING INCINDIERY DIM TRACER, MK 257 MOD 0, 120 PER M2A2,2 M2A2S PER WIREBOUND BOX; Cartridge Design Type: ARMOR PIERCING-INCENDIARY. 6 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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