The Clamp,loop, cataloged under National Stock Number 5340-01-499-6609, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-499-6609 |
| Primary Part Number | 7254720 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | HSTM-A380-1999E1 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RIGID W/THREADED BOLT HOLE AND MOUNTING HOLE |
| Diameter | 0.404 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 0.250 INCHES NOMINAL IN |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.160 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
NSN 5340-01-499-6609 is a Clamp,loop, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-499-6609 has 2 manufacturer part numbers on file: 7254720 (L3 Technologies, Inc. Div L3 Keo), 7254720 (Naval Sea Systems Command).
Key specifications for 7254720: Surface Treatment Document and Classification: HSTM-A380-1999E1 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RIGID W/THREADED BOLT HOLE AND MOUNTING HOLE; Diameter: 0.404 INCHES NOMINAL IN; Overall Width: 0.190 INCHES NOMINAL IN. 9 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.