The Catch,clamping, cataloged under National Stock Number 5340-01-551-4433, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Atec Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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 | 5340-01-551-4433 |
| Primary Part Number | 4-0234-1 |
| Item Name | Catch,clamping |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Atec Inc |
| Status | ACTIVE |
| Mounting Facility Diameter | 0.280 INCHES NOMINAL IN |
| Mounting Facility Quantity | 1 |
| Style Designator | SPECIAL |
| 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 |
|---|---|
| 4-0234-1 PRIMARY | Atec Inc (USA) |
NSN 5340-01-551-4433 is a Catch,clamping, manufactured by Atec Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-551-4433 has 1 manufacturer part number on file: 4-0234-1 (Atec Inc).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-654-7651. Verify interchangeability with system specifications before substitution.
Key specifications for 4-0234-1: Mounting Facility Diameter: 0.280 INCHES NOMINAL IN; Mounting Facility Quantity: 1; Style Designator: SPECIAL; Part Name Assigned by Controlling Agency: DRAW LATCH MODIFIED. 3 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.