The Clamp,loop, cataloged under National Stock Number 5340-01-232-6352, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Umpco, Inc. Dba Umpco Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Clamp,loop |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Umpco, Inc. Dba Umpco Inc (CAGE 18076) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-232-6352 |
| Primary Part Number | S281-12 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco 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 |
|---|---|
| S281-12 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| TA4C76WD12X | 3/2 Design control — primary reference U.S. Government activity |
| C2037-12 | 7/2 Vendor item drawing reference U.S. Government activity |
| 385-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-232-6352 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-232-6352 has 1 manufacturer part number on file: S281-12 (Umpco, Inc. Dba Umpco Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-361-6612, 4710-01-470-9105, 6680-01-484-3709. Verify interchangeability with system specifications before substitution.
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.