The Clamp,block,section, cataloged under National Stock Number 5340-01-524-4686, 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 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-524-4686 |
| Primary Part Number | 6391052-8 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Clamping Hole Quantity | 1 |
| Block Height | 2.000 INCHES NOMINAL IN |
| Center to Center Distance Between First and Third Mounting Holes | 1.150 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 0.350 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 |
|---|---|
| 6391052-8 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-524-4686 is a Clamp,block,section, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-524-4686 has 1 manufacturer part number on file: 6391052-8 (Naval Sea Systems Command).
Key specifications for 6391052-8: Clamping Hole Quantity: 1; Block Height: 2.000 INCHES NOMINAL IN; Center to Center Distance Between First and Third Mounting Holes: 1.150 INCHES NOMINAL IN; Distance From End to First Mounting Hole Center: 0.350 INCHES NOMINAL IN. 4 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.