The Clamp,loop, cataloged under National Stock Number 5340-00-806-2589, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-806-2589 |
| Primary Part Number | S360-18 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Cushioning Environmental Protection | HEAT |
| Style Designator | SINGLE LOOP |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.064 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.280 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.062 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING BAND |
| Material | STEEL CORROSION RESISTING CUSHION |
| Loop Inside Diameter | 1.125 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY REQUIRES ENVIRONMENTAL TEST IN ACCORDANCE W/SPECIAL PROJECTS FBM PLAN OP2747 |
| 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 |
|---|---|
| S360-18 | Umpco, Inc. Dba Umpco Inc (USA) |
| X218-248 | Smiths Tubular Systems-Laconia, Inc. (USA) |
| Reference | Meaning |
|---|---|
| X218-18 | 3/1 Design control — primary reference Smiths Tubular Systems-Laconia, Inc. |
| RE127-2001-0016 | 5/1 Secondary reference Aerojet Rocketdyne of De, Inc |
NSN 5340-00-806-2589 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-806-2589 has 2 manufacturer part numbers on file: S360-18 (Umpco, Inc. Dba Umpco Inc), X218-248 (Smiths Tubular Systems-Laconia, Inc.).
Key specifications for S360-18: Cushioning Environmental Protection: HEAT; Style Designator: SINGLE LOOP; Diameter: 0.204 INCHES NOMINAL IN; Overall Width: 0.500 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.