The Clamp,loop, cataloged under National Stock Number 5340-01-657-1258, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-657-1258 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Style Designator | TWO PIECE |
| Nominal Thread Size | 0.375 INCHES IN |
| Thread Quantity Per Inch | 16 |
| 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 |
| Reference | Meaning |
|---|---|
| 0418C09-0219 | D/9 Drawing number reference only Vulcan Steam Forging Co |
| 89545K | 5/9 Secondary reference Fleetguard Inc |
| 0418C09-0219-01 | 3/9 Design control — primary reference Vulcan Steam Forging Co |
NSN 5340-01-657-1258 is a Clamp,loop, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-657-1258: Style Designator: TWO PIECE; Overall Length: 4.125 INCHES NOMINAL IN; Nominal Thread Size: 0.375 INCHES IN; Part Name Assigned by Controlling Agency: CLAMP. GUILLO'LNE. 3 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.