The Snap Hook, cataloged under National Stock Number 5340-00-393-2139, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-393-2139 |
| Primary Part Number | 437 |
| Item Name | Snap Hook |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Buckles International, Inc. |
| Status | ACTIVE |
| Material | STEEL CONNECTION END |
| Material | STEEL HOOK |
| Material | STEEL BLADE |
| Hook Style Designator | SPRING BLADE |
| Unattached Ring | NOT INCLUDED |
| Design Type | SWIVEL |
| Rubber Covered Feature | NOT INCLUDED |
| Inside Length | 0.375 INCHES NOMINAL IN |
| End Connection Style | EYE |
| Inside Width | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
NSN 5340-00-393-2139 is a Snap Hook, manufactured by Buckles International, Inc., classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-00-393-2139 has 3 cross-referenced part numbers: 842793 (Lockheed Martin Corporation Div Rms - Mitchel Field), 437 (Hart and Son Inc), 437 (Buckles International, Inc.).
There are 12 known substitutes for 5340-00-393-2139: 5340-00-850-2391, 3110-00-100-0594, 5945-00-174-6898 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 437: Material: STEEL CONNECTION END; Material: STEEL HOOK; Material: STEEL BLADE; Hook Style Designator: SPRING BLADE. 11 total characteristics are documented in the Federal Logistics Information System.