The Clamp,loop, cataloged under National Stock Number 5340-01-080-0406, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-080-0406 |
| Primary Part Number | S169WSST4 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Cushioning Environmental Protection | HEAT |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | L-P-403 FED SPEC SINGLE MATERIAL RESPONSE CUSHION |
| Diameter | 0.203 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Material Thickness | 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 0.717 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.529 INCHES NOMINAL IN |
| Material | PLASTIC CUSHION |
| Loop Inside Diameter | 0.250 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 |
|---|---|
| S169WSST4 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| S169WSST4 ZZ | 5/9 Secondary reference Umpco, Inc. Dba Umpco Inc |
| 11559650-1 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5340-01-080-0406 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-080-0406 has 1 manufacturer part number on file: S169WSST4 (Umpco, Inc. Dba Umpco Inc).
Key specifications for S169WSST4: Cushioning Environmental Protection: HEAT; Style Designator: OFFSET MOUNT; Material Document and Classification: L-P-403 FED SPEC SINGLE MATERIAL RESPONSE CUSHION; Diameter: 0.203 INCHES MINIMUM AND 0.209 INCHES MAXIMUM 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.