The Clamp,loop, cataloged under National Stock Number 5340-01-533-3645, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Stulz Air Technology Systems, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-533-3645 |
| Primary Part Number | AT0429-001 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Stulz Air Technology Systems, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| AT0429-001 | Stulz Air Technology Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CRK-20-DVI | 5/9 Secondary reference Drs Environmental Systems, Inc. Dba Drs Technologies |
| CRK-20-DVI | 5/9 Secondary reference Drs Environmental Systems Inc |
| A3274001-118 | 1/2 Source control — Government-approved source U.S. Government activity |
| CRK-20-DVI | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-533-3645 is a Clamp,loop, manufactured by Stulz Air Technology Systems, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-533-3645 has 1 manufacturer part number on file: AT0429-001 (Stulz Air Technology Systems, Inc.).
Key specifications for AT0429-001: Special Features: NOMENCLATURE IS AIR RIDE COUPLER,UPPER; DRAWING TITLE: PROCUREMENT SPECIFICATION-VAN OPERATIONS; INAVY = COUPLER; End Item Identification: OA-9233A/G,OPERATIONS GROUP VAN; NHA = AN/GSC-52A(V)1 AND (V)2 A. 0 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.