The Clamp,loop, cataloged under National Stock Number 5340-01-336-9097, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-336-9097 |
| Primary Part Number | S390SSG6 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Cushioning Environmental Protection | WEATHER RESISTANT |
| Loop Width | 0.380 INCHES NOMINAL IN |
| Style Designator | MULTIPLE LOOP |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 0.828 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.610 INCHES NOMINAL IN |
| Material | RUBBER CUSHION |
| Material | STEEL CORROSION RESISTING BAND |
| Loop Length | 0.760 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 |
|---|---|
| S390SSG6 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| 841123-0005 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 841123-0005 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5340-01-336-9097 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-336-9097 has 2 manufacturer part numbers on file: S390SSG6 (Umpco, Inc. Dba Umpco Inc), 841123-0005 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for S390SSG6: Cushioning Environmental Protection: WEATHER RESISTANT; Loop Width: 0.380 INCHES NOMINAL IN; Style Designator: MULTIPLE LOOP; Diameter: 0.204 INCHES NOMINAL IN. 12 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.