The Clamp,loop, cataloged under National Stock Number 5340-01-645-4972, 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 5 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 | 5340-01-645-4972 |
| Primary Part Number | MS21919WDG14 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Material Thickness | 0.047 INCHES NOMINAL IN |
| Inside Diameter | 0.875 INCHES NOMINAL IN |
| Center to Center Distance Between First and Second Holes | 0.938 INCHES NOMINAL IN |
| Material | PLASTIC CUSHION |
| Material | ALUMINUM BAND |
| 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 |
|---|---|
| 3177T15 | Mcmaster-Carr Supply Co (USA) |
| MS21919WDG14 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
NSN 5340-01-645-4972 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-645-4972 has 2 manufacturer part numbers on file: 3177T15 (Mcmaster-Carr Supply Co), MS21919WDG14 (Umpco, Inc. Dba Umpco Inc).
Key specifications for MS21919WDG14: Overall Width: 0.500 INCHES NOMINAL IN; Material Thickness: 0.047 INCHES NOMINAL IN; Inside Diameter: 0.875 INCHES NOMINAL IN; Center to Center Distance Between First and Second Holes: 0.938 INCHES NOMINAL IN. 5 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.