PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51944-4Buckle

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5340-00-290-0970 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-290-0970 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-290-0970. Primary manufacturer part number: MS51944-4.
Features
  • Buckle — FSC 5340
  • Material: COPPER ALLOY OVERALL
  • Insignia: NOT INCLUDED
  • Enameled Feature: NOT INCLUDED
  • Strap Accommodation Width: 1.020 INCHES NOMINAL IN
  • Buckle Style Designator: DOUBLE BAR-TONGUELESS
  • 3 verified cross-references
  • Primary manufacturer: Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Buckle, cataloged under National Stock Number 5340-00-290-0970, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-290-0970
Primary Part NumberMS51944-4
Item NameBuckle
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
InsigniaNOT INCLUDED
Enameled FeatureNOT INCLUDED
Strap Accommodation Width1.020 INCHES NOMINAL IN
Buckle Style DesignatorDOUBLE BAR-TONGUELESS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5970-00-032-0291DI-295-MS-1 INTERCHANGEABLE
Repair Kit,electrical Cable Insu
Deanco Inc
5340-00-157-7987 INTERCHANGEABLE
Buckle
5340-00-290-0837 INTERCHANGEABLE
Buckle
5340-00-290-0847 INTERCHANGEABLE
Buckle
5340-00-290-0939 INTERCHANGEABLE
Buckle
5340-00-290-0948 INTERCHANGEABLE
Buckle
5340-00-290-0952 INTERCHANGEABLE
Buckle
5340-00-290-0967 INTERCHANGEABLE
Buckle
5340-00-290-73813105-1 INTERCHANGEABLE
Buckle
Buckles International, Inc.
5340-00-297-6627 INTERCHANGEABLE
Buckle
Cross-Reference Index
Part NumberManufacturer
MS51944-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-543 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CLASS1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5970-00-032-0291INTERCHANGEABLE
REPAIR KIT,ELECTRICAL CABLE INSU
DI-295-MS-1
5340-00-157-7987INTERCHANGEABLE
BUCKLE
5340-00-290-0837INTERCHANGEABLE
BUCKLE
5340-00-290-0847INTERCHANGEABLE
BUCKLE
5340-00-290-0939INTERCHANGEABLE
BUCKLE
5340-00-290-0948INTERCHANGEABLE
BUCKLE
5340-00-290-0952INTERCHANGEABLE
BUCKLE
5340-00-290-0967INTERCHANGEABLE
BUCKLE
5340-00-290-7381INTERCHANGEABLE
BUCKLE
3105-1
5340-00-297-6627INTERCHANGEABLE
BUCKLE
5340-00-297-6631INTERCHANGEABLE
BUCKLE
5340-00-297-6645INTERCHANGEABLE
BUCKLE

Frequently Asked Questions

What is NSN 5340-00-290-0970?

NSN 5340-00-290-0970 is a Buckle, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-290-0970?

NSN 5340-00-290-0970 has 3 cross-referenced part numbers: MS51944-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-543 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CLASS1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-00-290-0970?

There are 12 known substitutes for 5340-00-290-0970: 5970-00-032-0291, 5340-00-157-7987, 5340-00-290-0837 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51944-4?

Key specifications for MS51944-4: Material: COPPER ALLOY OVERALL; Special Features: OPTIONAL BUCKLE STYLE RDGB20; Insignia: NOT INCLUDED; Enameled Feature: NOT INCLUDED. 8 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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