The Clamp,loop, cataloged under National Stock Number 5340-01-648-2387, 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 4 specifications, cited from the U.S. Government catalog. The record lists 3 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 | 5340-01-648-2387 |
| Primary Part Number | 3177T16 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 210.0 FAHRENHEIT DEGF |
| Inside Diameter | 1.0 INCHES NOMINAL IN |
| Material | ALUMINUM BAND |
| Material | RUBBER CHLOROPRENE CLASS CR CUSHION |
| 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 |
|---|---|
| 3177T16 | Mcmaster-Carr Supply Company (USA) |
| 0418C11-0111-02 | The Entwistle Company Llc (USA) |
| 3177T16 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
NSN 5340-01-648-2387 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-648-2387 has 3 manufacturer part numbers on file: 3177T16 (Mcmaster-Carr Supply Company), 0418C11-0111-02 (The Entwistle Company Llc), 3177T16 (Umpco, Inc. Dba Umpco Inc).
Key specifications for 3177T16: Temp Rating: -40.0 FAHRENHEIT AND 210.0 FAHRENHEIT DEGF; Overall Width: 0.500 INCHES NOMINAL IN; Inside Diameter: 1.0 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: SNUG-FIT VIBRATION-DAMPING LOOP CLAMP. 4 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.