The Clamp,loop, cataloged under National Stock Number 5340-01-331-7277, 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 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-331-7277 |
| Primary Part Number | S464G12 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION |
| Diameter | 0.406 INCHES NOMINAL IN |
| Material Thickness | 0.030 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM BAND |
| Tongue Hole Type | OBLONG AND ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.869 INCHES MINIMUM AND 0.909 INCHES MAXIMUM IN |
| Material | STEEL BAND |
| Material | RUBBER CHLOROPRENE CLASS CR CUSHION |
| Loop Inside Diameter | 0.750 INCHES NOMINAL 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 |
|---|---|
| JM75LC6S12 | J & M Products, Inc (USA) |
| 23-11357-012 | Daimler Truck North America Llc (USA) |
| 686CS12 | Cooper Machinery Services Llc (USA) |
| S464G12 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
NSN 5340-01-331-7277 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-331-7277 has 4 manufacturer part numbers on file: JM75LC6S12 (J & M Products, Inc), 23-11357-012 (Daimler Truck North America Llc), 686CS12 (Cooper Machinery Services Llc), S464G12 (Umpco, Inc. Dba Umpco Inc).
Key specifications for S464G12: Style Designator: OFFSET MOUNT; Material Document and Classification: AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION; Diameter: 0.406 INCHES NOMINAL IN; Overall Width: 0.625 INCHES NOMINAL IN. 10 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.