The Clamp,loop, cataloged under National Stock Number 5340-01-485-8400, 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 11 specifications, cited from the U.S. Government catalog. The record lists 2 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 | 5340-01-485-8400 |
| Primary Part Number | S325DG12 |
| 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 | QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Material Document and Classification | AMS3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION |
| Diameter | 0.265 INCHES NOMINAL IN |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.439 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.221 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 BAND |
| Material | RUBBER CHLOROPRENE CLASS CR CUSHION |
| Loop Inside Diameter | 0.562 INCHES MINIMUM AND 0.750 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 |
|---|---|
| S325DG12 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| S325DG12-BLK | Umpco, Inc. Dba Umpco Inc (USA) |
NSN 5340-01-485-8400 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-485-8400 has 2 manufacturer part numbers on file: S325DG12 (Umpco, Inc. Dba Umpco Inc), S325DG12-BLK (Umpco, Inc. Dba Umpco Inc).
Key specifications for S325DG12: Style Designator: SINGLE LOOP; Material Document and Classification: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND; Material Document and Classification: AMS3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION; Diameter: 0.265 INCHES NOMINAL IN. 11 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.