The Clamp,loop, cataloged under National Stock Number 5340-01-524-4192, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 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); J & M Products, Inc (CAGE 22175) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-524-4192 |
| Primary Part Number | S650JR4 |
| 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 |
|---|---|
| S650JR4 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| JM44LC73PH4F PRIMARY | J & M Products, Inc (USA) |
| Reference | Meaning |
|---|---|
| 9D0321F4 | 5/9 Secondary reference U.S. Government activity |
| 12781-PH-4-FS | 3/2 Design control — primary reference U.S. Government activity |
| JM44LC73PH4H | 5/9 Secondary reference J & M Products, Inc |
| 9D0321F4H | 5/2 Secondary reference U.S. Government activity |
| S650WJR4 | 5/9 Secondary reference Umpco, Inc. Dba Umpco Inc |
NSN 5340-01-524-4192 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-524-4192 has 2 manufacturer part numbers on file: S650JR4 (Umpco, Inc. Dba Umpco Inc), JM44LC73PH4F (J & M Products, Inc).
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.