The Snap Hook, cataloged under National Stock Number 5340-01-187-9402, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-187-9402 |
| Item Name | Snap Hook |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Inside Width | 0.281 INCHES NOMINAL IN |
| Unattached Ring | NOT INCLUDED |
| Inside Length | 1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Design Type | FIXED |
| Material Document and Classification | AISI C1008 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1015 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1018 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1020 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1009 ASSN STD SINGLE MATERIAL RESPONSE CONNECTION END |
| Material Document and Classification | AISI C1008 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1015 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1018 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1020 ASSN STD SINGLE MATERIAL RESPONSE OR AISI C1009 ASSN STD SINGLE MATERIAL RESPONSE HOOK |
| Material Document and Classification | ASTM A682 GRADE 1050 THRU 1095 ASSN STD SINGLE MATERIAL RESPONSE BLADE |
| End Connection Style | LOOP |
| End Position | CONNECTION END IN SAME PLANE AS HOOK END |
| Hook Style Designator | SPRING BLADE |
| Material | STEEL BLADE |
| Material | STEEL COMP 1008 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1009 CONNECTION END |
| Material | STEEL COMP 1008 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1009 HOOK |
| Rubber Covered Feature | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| M43770/1-SWZE4 | 5/9 Secondary reference U.S. Government activity |
| M43770/1-SWZE4 | 3/2 Design control — primary reference U.S. Government activity |
| MIL-S-43770/1 | 5/9 Secondary reference U.S. Government activity |
| NASM43770/1 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5340-01-187-9402 is a Snap Hook, classified under FSC 5340, Hardware, Commercial. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-400-0533, 5340-01-449-1004. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-187-9402: Inside Width: 0.281 INCHES NOMINAL IN; Unattached Ring: NOT INCLUDED; Inside Length: 1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN; Design Type: FIXED. 14 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.