The Snap Hook, cataloged under National Stock Number 5340-00-473-3913, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-473-3913 |
| Primary Part Number | 251-1 |
| Item Name | Snap Hook |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Buckles International, Inc. |
| Status | ACTIVE |
| Inside Diameter | 0.5625 INCHES NOMINAL IN |
| Material | IRON CONNECTION END |
| Material | IRON HOOK |
| End Connection Style | EYE |
| Design Type | SWIVEL |
| Rubber Covered Feature | NOT INCLUDED |
| Unattached Ring | NOT INCLUDED |
| Hook Style Designator | PIVOT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 251-1 PRIMARY | Buckles International, Inc. (USA) |
| 345-295PC03 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 491115ALT1PCD3 | Naval Ship Systems Command (USA) |
| 547-49-459PC03 | Cramp Shipbuilding and Drydock Co (USA) |
| 295-7001-68922ALT1PC03 | Naval Ship Systems Command (USA) |
| 345-285PCD3 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 5340-00-473-3913 is a Snap Hook, manufactured by Buckles International, Inc., classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-00-473-3913 has 6 cross-referenced part numbers: 251-1 (Buckles International, Inc.), 345-295PC03 (Electric Boat Corporation Div General Dynamics Electric Boat), 491115ALT1PCD3 (Naval Ship Systems Command), 547-49-459PC03 (Cramp Shipbuilding and Drydock Co), 295-7001-68922ALT1PC03 (Naval Ship Systems Command) and 1 more.
There are 2 known substitutes for 5340-00-473-3913: 5306-00-499-9203, 5340-01-151-1021. Verify interchangeability with system specifications before substitution.
Key specifications for 251-1: Overall Length: 3.250 INCHES NOMINAL IN; Inside Diameter: 0.5625 INCHES NOMINAL IN; Material: IRON CONNECTION END; Material: IRON HOOK. 9 total characteristics are documented in the Federal Logistics Information System.