PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2690Buckle

Buckles International, Inc. · NSN 5340-00-805-1055 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-805-1055 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-805-1055. Primary manufacturer part number: 2690.
Features
  • Buckle — FSC 5340
  • Material: STEEL OVERALL
  • Strap Accommodation Width: 1.530 INCHES NOMINAL IN
  • Buckle Style Designator: CENTER NOTHCED BAR-OFFSET
  • Enameled Feature: NOT INCLUDED
  • Insignia: NOT INCLUDED
  • 4 verified cross-references
  • Primary manufacturer: Buckles International, Inc.
Applications
  • Applications requiring Steel Overall construction
General Description

The Buckle, cataloged under National Stock Number 5340-00-805-1055, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Buckles International, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5340-00-805-1055
Primary Part Number2690
Item NameBuckle
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBuckles International, Inc.
StatusACTIVE
MaterialSTEEL OVERALL
Strap Accommodation Width1.530 INCHES NOMINAL IN
Buckle Style DesignatorCENTER NOTHCED BAR-OFFSET
Enameled FeatureNOT INCLUDED
InsigniaNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-00-514-0418
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Buckle
5365-00-008-36822690 INTERCHANGEABLE
Spacer,plate
L3harris Technologies, Inc. Div Space and Airborne Systems
3110-00-100-07362690 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
1650-00-304-61722690 INTERCHANGEABLE
Tube,nose Landing Gear Cylinder
Goodrich Corporation
2990-00-441-81051109 INTERCHANGEABLE
Muffler,exhaust
Merit Industries Inc
6640-00-471-174926900 INTERCHANGEABLE
Grid,specimen,electron Microscop
Ernest F Fullam Inc
3030-00-528-3827 INTERCHANGEABLE
Belt,v
6625-00-849-1445320S37 INTERCHANGEABLE
Ammeter
Ametek Inc Dba Ametek Iscd Div Iscd
3120-00-932-076426-90 INTERCHANGEABLE
Bushing,sleeve
Goodrich Corporation
6150-01-201-15132690 INTERCHANGEABLE
Cable Assembly,special Purpose,e
The Boeing Company Div Legacy Am&m
Cross-Reference Index
Part NumberManufacturer
2690 Buckles International, Inc. (USA)
1127-20 Naval Aircraft Standards
26901 1-2 Btr Valve Sealants Inc (USA)
26901 1-2 Rockwell Tools Inc (USA)
Related Parts
SUCCESSOR 5340-00-514-0418 Buckle
5365-00-008-3682INTERCHANGEABLE
SPACER,PLATE
2690
3110-00-100-0736INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2690
1650-00-304-6172INTERCHANGEABLE
TUBE,NOSE LANDING GEAR CYLINDER
2690
2990-00-441-8105INTERCHANGEABLE
MUFFLER,EXHAUST
1109
6640-00-471-1749INTERCHANGEABLE
GRID,SPECIMEN,ELECTRON MICROSCOP
26900
3030-00-528-3827INTERCHANGEABLE
BELT,V
6625-00-849-1445INTERCHANGEABLE
AMMETER
320S37
3120-00-932-0764INTERCHANGEABLE
BUSHING,SLEEVE
26-90
6150-01-201-1513INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
2690
5975-01-279-0480INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2690
5330-01-308-6161INTERCHANGEABLE
SEAL RING,METAL

Frequently Asked Questions

What is NSN 5340-00-805-1055?

NSN 5340-00-805-1055 is a Buckle, manufactured by Buckles International, Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-805-1055?

NSN 5340-00-805-1055 has 4 cross-referenced part numbers: 2690 (Buckles International, Inc.), 1127-20 (Naval Aircraft Standards), 26901 1-2 (Btr Valve Sealants Inc), 26901 1-2 (Rockwell Tools Inc).

What NSN replaces 5340-00-805-1055?

There are 12 known substitutes for 5340-00-805-1055: 5340-00-514-0418, 5365-00-008-3682, 3110-00-100-0736 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2690?

Key specifications for 2690: Material: STEEL OVERALL; Strap Accommodation Width: 1.530 INCHES NOMINAL IN; Buckle Style Designator: CENTER NOTHCED BAR-OFFSET; Enameled Feature: NOT INCLUDED. 7 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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