PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA55620-5SBuckle

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5340-01-239-1230 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-239-1230 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-239-1230. Primary manufacturer part number: AA55620-5S.
Features
  • Buckle — FSC 5340
  • Color: BLACK
  • Surface Treatment: ENAMEL
  • Enameled Feature: INCLUDED
  • Specification/standard Data: 96906-MS51940 GOVERNMENT STANDARD
  • 4 verified cross-references
  • Primary manufacturer: Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Buckle, cataloged under National Stock Number 5340-01-239-1230, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5340-01-239-1230
Primary Part NumberAA55620-5S
Item NameBuckle
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
ColorBLACK
Surface TreatmentENAMEL
Enameled FeatureINCLUDED
Specification/standard Data96906-MS51940 GOVERNMENT STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-664-6395 INTERCHANGEABLE
Buckle
5340-00-821-5871 INTERCHANGEABLE
Buckle
5340-00-835-1736 INTERCHANGEABLE
Buckle
5340-00-878-8827 INTERCHANGEABLE
Buckle
5340-01-359-4762 INTERCHANGEABLE
Buckle
Cross-Reference Index
Part NumberManufacturer
AA55620-5S Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS51940-5S Fnss Savunma Sistemleri Anonim Sirketi (TUR)
A-A-55620 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS51940-5S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5340-00-664-6395INTERCHANGEABLE
BUCKLE
5340-00-821-5871INTERCHANGEABLE
BUCKLE
5340-00-835-1736INTERCHANGEABLE
BUCKLE
5340-00-878-8827INTERCHANGEABLE
BUCKLE
5340-01-359-4762INTERCHANGEABLE
BUCKLE

Frequently Asked Questions

What is NSN 5340-01-239-1230?

NSN 5340-01-239-1230 is a Buckle, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-239-1230?

NSN 5340-01-239-1230 has 4 cross-referenced part numbers: AA55620-5S (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS51940-5S (Fnss Savunma Sistemleri Anonim Sirketi), A-A-55620 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS51940-5S (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-01-239-1230?

There are 5 known substitutes for 5340-01-239-1230: 5340-00-664-6395, 5340-00-821-5871, 5340-00-835-1736 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA55620-5S?

Key specifications for AA55620-5S: Color: BLACK; Special Features: INSIDE LENGTH: 1.875 IN. NOM.,OUTSIDE WIDTH: 1.188 IN. NOM.;MATERIAL: STEEL;STYLE DESIGNATOR: DOUBLE OPENING IN; Surface Treatment: ENAMEL; Enameled Feature: INCLUDED. 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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