The Clamp,loop, cataloged under National Stock Number 5340-01-374-5998, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-374-5998 |
| Primary Part Number | S426-14-17 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Loop Width | 0.490 INCHES NOMINAL IN |
| Style Designator | MULTIPLE LOOP |
| Material Document and Classification | QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.011 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.793 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q CUSHION |
| Material | ALUMINUM ALLOY 2024 BAND |
| Loop Length | 0.896 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 | N |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| S426-14-17 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
NSN 5340-01-374-5998 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-374-5998 has 1 manufacturer part number on file: S426-14-17 (Umpco, Inc. Dba Umpco Inc).
Key specifications for S426-14-17: Loop Width: 0.490 INCHES NOMINAL IN; Style Designator: MULTIPLE LOOP; Material Document and Classification: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.204 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.