The Snap Hook, cataloged under National Stock Number 5340-01-022-8584, 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14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-022-8584 |
| Item Name | Snap Hook |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Inside Width | 0.281 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE |
| Unattached Ring | NOT INCLUDED |
| Inside Length | 1.125 INCHES MINIMUM IN |
| Design Type | FIXED |
| Material Document and Classification | QQ-W-321 ALLOY 260 1/2 HARD FED SPEC 1ST MATERIAL RESPONSE OR QQ-W-321 ALLOY 270 SPRING TEMPER FED SPEC 2ND MATERIAL RESPONSE CONNECTION END |
| Material Document and Classification | QQ-W-321 ALLOY 260 1/2 HARD FED SPEC 1ST MATERIAL RESPONSE OR QQ-W-321 ALLOY 270 SPRING TEMPER FED SPEC 2ND MATERIAL RESPONSE HOOK |
| End Connection Style | LOOP |
| End Position | CONNECTION END IN SAME PLANE AS HOOK END |
| Hook Style Designator | PIVOT |
| Surface Treatment | OXIDE |
| Material | COPPER ALLOY 260 OR COPPER ALLOY 270 CONNECTION END |
| Material | COPPER ALLOY 260 OR COPPER ALLOY 270 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 |
|---|---|
| NASM43770/1-CWBC2 | 5/9 Secondary reference U.S. Government activity |
| M43770/1-CWBC2 | 3/2 Design control — primary reference U.S. Government activity |
| NASM43770/1 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5340-01-022-8584 is a Snap Hook, classified under FSC 5340, Hardware, Commercial. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-187-9402, 5340-01-400-0533, 5340-01-449-1004. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-022-8584: Inside Width: 0.281 INCHES MINIMUM IN; Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE; Unattached Ring: NOT INCLUDED; Inside Length: 1.125 INCHES MINIMUM IN. 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.