PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILH9890Buckle

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5340-00-820-7838 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-820-7838 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-820-7838. Primary manufacturer part number: MILH9890.
Features
  • Buckle — FSC 5340
  • Nondefinitive Spec/std Data: 12 TYPE AND A CLASS AND B CLASS
  • Material: COPPER ALLOY OR STEEL OVERALL
  • Surface Treatment: ZINC
  • Buckle Style Designator: DOUBLE BAR-TONGUELESS
  • Insignia: NOT INCLUDED
  • Strap Accommodation Width: 0.720 INCHES NOMINAL IN
  • Enameled Feature: INCLUDED
Applications
  • Applications requiring Copper Alloy or Steel Overall construction
General Description

The Buckle, cataloged under National Stock Number 5340-00-820-7838, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 9 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-820-7838
Primary Part NumberMILH9890
Item NameBuckle
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std Data12 TYPE AND A CLASS AND B CLASS
MaterialCOPPER ALLOY OR STEEL OVERALL
Surface TreatmentZINC
Buckle Style DesignatorDOUBLE BAR-TONGUELESS
InsigniaNOT INCLUDED
Strap Accommodation Width0.720 INCHES NOMINAL IN
Enameled FeatureINCLUDED
ColorBLACK
Specific Usage DesignLOAD CARRYING EQUIPMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
5133-00-228-1326 INTERCHANGEABLE
Drill,twist
5340-00-753-5578 INTERCHANGEABLE
Loop,strap Fastener
5340-00-753-5579 INTERCHANGEABLE
Loop,strap Fastener
5340-00-753-5581 INTERCHANGEABLE
Keeper,belt-Strap
5340-00-753-5582 INTERCHANGEABLE
Buckle
5340-01-016-19414-1-453 INTERCHANGEABLE
Buckle
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
5342-01-062-3525 INTERCHANGEABLE
Keeper Clamp
5340-01-062-6750 INTERCHANGEABLE
Buckle
5340-01-063-5352 INTERCHANGEABLE
Loop,strap Fastener
Cross-Reference Index
Part NumberManufacturer
MILH9890 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4-1-139 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
Related Parts
5133-00-228-1326INTERCHANGEABLE
DRILL,TWIST
5340-00-753-5578INTERCHANGEABLE
LOOP,STRAP FASTENER
5340-00-753-5579INTERCHANGEABLE
LOOP,STRAP FASTENER
5340-00-753-5581INTERCHANGEABLE
KEEPER,BELT-STRAP
5340-00-753-5582INTERCHANGEABLE
BUCKLE
5340-01-016-1941INTERCHANGEABLE
BUCKLE
4-1-453
5342-01-062-3525INTERCHANGEABLE
KEEPER CLAMP
5340-01-062-6750INTERCHANGEABLE
BUCKLE
5340-01-063-5352INTERCHANGEABLE
LOOP,STRAP FASTENER

Frequently Asked Questions

What is NSN 5340-00-820-7838?

NSN 5340-00-820-7838 is a Buckle, manufactured by Military Specifications Promulgated by Military Departments/agencies 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 5340-00-820-7838?

NSN 5340-00-820-7838 has 2 cross-referenced part numbers: MILH9890 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 4-1-139 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center).

What NSN replaces 5340-00-820-7838?

There are 9 known substitutes for 5340-00-820-7838: 5133-00-228-1326, 5340-00-753-5578, 5340-00-753-5579 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILH9890?

Key specifications for MILH9890: Nondefinitive Spec/std Data: 12 TYPE AND A CLASS AND B CLASS; Material: COPPER ALLOY OR STEEL OVERALL; Surface Treatment: ZINC; Buckle Style Designator: DOUBLE BAR-TONGUELESS. 11 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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