The Loop,strap Fastener, cataloged under National Stock Number 5340-01-135-8523, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Buckles International, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-135-8523 |
| Primary Part Number | 4950-1 |
| Item Name | Loop,strap Fastener |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Buckles International, Inc. |
| Status | ACTIVE |
| FSC Application Data | NET,CARGO TIE-DOWN HELICOPTER UH-1D |
| Inside Width | 0.500 INCHES NOMINAL IN |
| Inside Length | 0.760 INCHES NOMINAL IN |
| Style Designator | RECTANGLE |
| Material Document and Classification | UNS G10060 AISI C1006 ASSN STD SINGLE MATERIAL RESPONSE |
| Painted Feature | NOT INCLUDED |
| Outside Width | 0.740 INCHES NOMINAL IN |
| Surface Treatment | OXIDE |
| Material | STEEL COMP 1006 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4950-1 PRIMARY | Buckles International, Inc. (USA) |
NSN 5340-01-135-8523 is a Loop,strap Fastener, manufactured by Buckles International, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-135-8523 has 1 manufacturer part number on file: 4950-1 (Buckles International, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 6150-01-446-9479, 5340-01-629-0770, 1670-01-674-5316. Verify interchangeability with system specifications before substitution.
Key specifications for 4950-1: FSC Application Data: NET,CARGO TIE-DOWN HELICOPTER UH-1D; Inside Width: 0.500 INCHES NOMINAL IN; Inside Length: 0.760 INCHES NOMINAL IN; Style Designator: RECTANGLE. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.