The Snap Hook, cataloged under National Stock Number 5340-00-455-2574, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 8 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. 4 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 | 5340-00-455-2574 |
| Primary Part Number | 990C847H01 |
| Item Name | Snap Hook |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Inside Width | 0.370 INCHES NOMINAL IN |
| Unattached Ring | NOT INCLUDED |
| Design Type | SWIVEL |
| End Connection Style | SWIVEL |
| Hook Style Designator | TRIGGER |
| Material | COPPER ALLOY HOOK |
| Material | COPPER ALLOY 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 |
| Part Number | Manufacturer |
|---|---|
| 5013-3-8 | Buckles International, Inc. (USA) |
| 990C847H01 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
NSN 5340-00-455-2574 is a Snap Hook, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-455-2574 has 2 manufacturer part numbers on file: 5013-3-8 (Buckles International, Inc.), 990C847H01 (Northrop Grumman Systems Corporation Dba Electronic Systems).
4 possible matches (shared part number, not a government interchangeability claim): 4320-00-678-4944, 5999-01-243-8496, 5905-01-546-9543. Verify interchangeability with system specifications before substitution.
Key specifications for 990C847H01: Inside Width: 0.370 INCHES NOMINAL IN; Unattached Ring: NOT INCLUDED; Design Type: SWIVEL; Overall Length: 2.370 INCHES NOMINAL IN. 8 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.