The Clamp,loop, cataloged under National Stock Number 5340-01-531-4869, 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. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-531-4869 |
| Primary Part Number | AN742-40 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | ASTM A 109, UNS K01507 TEMPER 4 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Diameter | 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN |
| Material Thickness | 0.036 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Material | STEEL OVERALL |
| Loop Inside Diameter | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN |
| 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 |
|---|---|
| AN742-40 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| AN742-40 | 5/2 Secondary reference U.S. Government activity |
| 88-20026-38 | 7/2 Vendor item drawing reference Department of Defense Project Manager-Mobile Electric Power |
NSN 5340-01-531-4869 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-531-4869 has 1 manufacturer part number on file: AN742-40 (Umpco, Inc. Dba Umpco Inc).
Key specifications for AN742-40: Style Designator: SINGLE LOOP; Material Document and Classification: ASTM A 109, UNS K01507 TEMPER 4 ASSN STD ALL MATERIAL RESPONSES OVERALL; Diameter: 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN; Overall Width: 0.500 INCHES NOMINAL IN. 7 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.