The Clamp,block, cataloged under National Stock Number 5340-01-497-1544, 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 14 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 | 5340-01-497-1544 |
| Primary Part Number | 470-5102470 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 22 |
| Clamping Hole Quantity | 1 |
| Distance From End to First Clamping Hole Center | 2.125 INCHES NOMINAL IN |
| Block Height | 0.880 INCHES NOMINAL0.880 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Material Document and Classification | ASTMB36 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.410 INCHES NOMINAL0.410 INCHES NOMINAL IN |
| Clamping Hole Diameter | 0.653 INCHES NOMINAL SINGLE HOLE IN |
| Cable Diameter for Which Designed | 0.653 INCHES NOMINAL SINGLE HOLE IN |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 0.500 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Second Mounting Holes | 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 470-5102470 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-497-1544 is a Clamp,block, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-497-1544 has 1 manufacturer part number on file: 470-5102470 (Naval Sea Systems Command).
Key specifications for 470-5102470: Mounting Hole Quantity: 22; Overall Height: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN; Clamping Hole Quantity: 1; Distance From End to First Clamping Hole Center: 2.125 INCHES NOMINAL IN. 14 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.