The Snap Hook, cataloged under National Stock Number 5340-00-486-2839, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares 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 | 5340-00-486-2839 |
| Primary Part Number | 3910T12 |
| Item Name | Snap Hook |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Unattached Ring | NOT INCLUDED |
| Design Type | FIXED |
| End Connection Style | OPEN EYE |
| End Position | CONNECTION END IN SAME PLANE AS HOOK END |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Hook Style Designator | SLIDING BOLT |
| Material | STEEL HOOK |
| Material | STEEL CONNECTION END |
| 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 |
NSN 5340-00-486-2839 is a Snap Hook, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-486-2839 has 2 manufacturer part numbers on file: 3910T12 (Mcmaster-Carr Supply Co), 3000123 (Gichner Systems Group, Inc. Div C5isr Division).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-661-0413. Verify interchangeability with system specifications before substitution.
Key specifications for 3910T12: Unattached Ring: NOT INCLUDED; Design Type: FIXED; Overall Length: 3.750 INCHES NOMINAL IN; End Connection Style: OPEN EYE. 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.