PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2172-1Head Assy,safety

Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc · NSN 1377-00-872-5700 · FSC 1377 · No Item Name Available
Verified by PartsTable
NSN 1377-00-872-5700 — this item is cataloged by the U.S. Government under National Stock Number 1377-00-872-5700. Primary manufacturer part number: 2172-1.
Features
  • Head Assy,safety — FSC 1377
  • 1 verified cross-reference
  • 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 Head Assy,safety, cataloged under National Stock Number 1377-00-872-5700, is classified within Federal Supply Class 1377 (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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1377-00-872-5700
Primary Part Number2172-1
Item NameHead Assy,safety
FSC / FSG1377 / 13 — No Item Name Available
ManufacturerNammo Defense Systems Inc. Dba Nammo Defense Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1650-00-757-5080723228 INTERCHANGEABLE
Plate,seal
Hamilton Sundstrand Corporation
2040-00-841-8823 INTERCHANGEABLE
Parts Kit
3455-01-047-428529997 INTERCHANGEABLE
Reamer,machine
Kennametal Inc. Div Kennametal Industrial Products Group
5998-01-074-2503 INTERCHANGEABLE
Circuit Card Assembly
5307-01-229-626121721 INTERCHANGEABLE
Stud,plain
Industrial Technologies and Services Llc
3120-01-266-8500 INTERCHANGEABLE
Bushing,sleeve
1680-01-492-479021721 INTERCHANGEABLE
Flange Mounting
Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
2930-01-566-77856038409 INTERCHANGEABLE
Cooler,lubricating Oil,engine
Am General Llc
5930-01-633-487521721 INTERCHANGEABLE
Guard,switch
Willard Marine, Inc.
Cross-Reference Index
Part NumberManufacturer
2172-1 PRIMARY Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA)
Related Parts
1650-00-757-5080INTERCHANGEABLE
PLATE,SEAL
723228
2040-00-841-8823INTERCHANGEABLE
PARTS KIT
3455-01-047-4285INTERCHANGEABLE
REAMER,MACHINE
29997
5998-01-074-2503INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5307-01-229-6261INTERCHANGEABLE
STUD,PLAIN
21721
3120-01-266-8500INTERCHANGEABLE
BUSHING,SLEEVE
1680-01-492-4790INTERCHANGEABLE
FLANGE MOUNTING
21721
2930-01-566-7785INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
6038409
5930-01-633-4875INTERCHANGEABLE
GUARD,SWITCH
21721

Frequently Asked Questions

What is NSN 1377-00-872-5700?

NSN 1377-00-872-5700 is a Head Assy,safety, manufactured by Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc, classified under FSC 1377 (No Item Name Available). Status: active.

What are the part numbers for NSN 1377-00-872-5700?

NSN 1377-00-872-5700 has 1 cross-referenced part number: 2172-1 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc).

What NSN replaces 1377-00-872-5700?

There are 9 known substitutes for 1377-00-872-5700: 1650-00-757-5080, 2040-00-841-8823, 3455-01-047-4285 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2172-1?

Key specifications for 2172-1: Special Features: CAD/PAD COMPONENT. 1 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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