PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51671Rocket,practice,21 Millimeter Su

Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc · NSN 1340-01-482-5049 · FSC 1340 · No Item Name Available
Verified by PartsTable
NSN 1340-01-482-5049 — this item is cataloged by the U.S. Government under National Stock Number 1340-01-482-5049. Primary manufacturer part number: 51671.
Features
  • Rocket,practice,21 Millimeter Su — FSC 1340
  • Dod Ammunition Code: 1340-HA21
  • Dot Registration Code: EX2002040282
  • Hazardous Material Classification Code: 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
  • Net Explosive Weight: 0.048254 STORAGE POUNDS AND 0.048254 TRANSPORTATION POUNDS
  • 2 verified cross-references
  • Primary manufacturer: Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Rocket,practice,21 Millimeter Su, cataloged under National Stock Number 1340-01-482-5049, is classified within Federal Supply Class 1340 (No Item Name Available) of the Ammunition and Explosives group. The primary manufacturer of record is Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc. Government technical data includes 4 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1340-01-482-5049
Primary Part Number51671
Item NameRocket,practice,21 Millimeter Su
FSC / FSG1340 / 13 — No Item Name Available
ManufacturerNammo Defense Systems Inc. Dba Nammo Defense Systems Inc
StatusACTIVE
Dod Ammunition Code1340-HA21
Dot Registration CodeEX2002040282
Hazardous Material Classification Code1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION
Net Explosive Weight0.048254 STORAGE POUNDS AND 0.048254 TRANSPORTATION POUNDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-104-9022AWM-51671 INTERCHANGEABLE
Wire Unwrapping Tool
A.w. Mack Manufacturing Co., Inc.
3040-00-335-9900 INTERCHANGEABLE
Shaft,shouldered
5815-00-392-9524 INTERCHANGEABLE
Pawl Assy
5962-00-497-3917351-7321-050 INTERCHANGEABLE
Microcircuit,linear
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
2940-01-131-59283302026 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
51671 PRIMARY Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA)
1340-HA21 Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics (USA)
Related Parts
5120-00-104-9022INTERCHANGEABLE
WIRE UNWRAPPING TOOL
AWM-51671
3040-00-335-9900INTERCHANGEABLE
SHAFT,SHOULDERED
5815-00-392-9524INTERCHANGEABLE
PAWL ASSY
5962-00-497-3917INTERCHANGEABLE
MICROCIRCUIT,LINEAR
351-7321-050
2940-01-131-5928INTERCHANGEABLE
FILTER ELEMENT,FLUID
3302026

Frequently Asked Questions

What is NSN 1340-01-482-5049?

NSN 1340-01-482-5049 is a Rocket,practice,21 Millimeter Su, manufactured by Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc, classified under FSC 1340 (No Item Name Available). Status: active.

What are the part numbers for NSN 1340-01-482-5049?

NSN 1340-01-482-5049 has 2 cross-referenced part numbers: 51671 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc), 1340-HA21 (Department of Defense Ammunition Code Assigned and Promulgated by Characteristics and Taxomony Branch Defense Logistics).

What NSN replaces 1340-01-482-5049?

There are 5 known substitutes for 1340-01-482-5049: 5120-00-104-9022, 3040-00-335-9900, 5815-00-392-9524 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51671?

Key specifications for 51671: Dod Ammunition Code: 1340-HA21; Dot Registration Code: EX2002040282; Hazardous Material Classification Code: 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION; Net Explosive Weight: 0.048254 STORAGE POUNDS AND 0.048254 TRANSPORTATION POUNDS. 4 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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