The Clamp,loop, cataloged under National Stock Number 5340-01-648-4953, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-648-4953 |
| Primary Part Number | 0418C09-0219-02 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Material Diameter | 0.330 INCHES NOMINAL IN |
| Style Designator | TWO PIECE |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 1008 OVERALL |
| Loop Inside Diameter | 4.17 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 |
|---|---|
| 0418C09-0219-02 PRIMARY | The Entwistle Company Llc (USA) |
| 89548K PRIMARY | Nelson Global Products, Inc Dba Nelson Global Products, Inc (USA) |
| Reference | Meaning |
|---|---|
| 0418C09-0219 | D/9 Drawing number reference only The Entwistle Company Llc |
| 89548K | 5/9 Secondary reference Cummins Filtration Inc. |
NSN 5340-01-648-4953 is a Clamp,loop, manufactured by The Entwistle Company Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-648-4953 has 2 manufacturer part numbers on file: 0418C09-0219-02 (The Entwistle Company Llc), 89548K (Nelson Global Products, Inc Dba Nelson Global Products, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-655-4614, 5340-01-657-1258. Verify interchangeability with system specifications before substitution.
Key specifications for 0418C09-0219-02: Material Diameter: 0.330 INCHES NOMINAL IN; Style Designator: TWO PIECE; Overall Width: 0.560 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL. 5 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.