The Clamp,block, cataloged under National Stock Number 5340-01-487-0822, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-487-0822 |
| Primary Part Number | 5612760-4 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Clamping Hole Quantity | 5 |
| Center to Center Distance Between First and Fourth Clamping Holes | 1.177 INCHES NOMINAL IN |
| Distance From End to First Clamping Hole Center | 0.526 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.266 INCHES NOMINAL IN |
| Center to Center Distance Between First and Third Clamping Holes | 0.722 INCHES NOMINAL IN |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.469 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Fifth Clamping Holes | 2.688 INCHES NOMINAL IN |
| Center to Center Distance Between First and Second Mounting Holes | 2.312 INCHES NOMINAL IN |
| Center to Center Distance Between First and Second Clamping Holes | 0.361 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 |
|---|---|
| 5612760-4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5612760 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5340-01-487-0822 is a Clamp,block, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-487-0822 has 1 manufacturer part number on file: 5612760-4 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-487-1083. Verify interchangeability with system specifications before substitution.
Key specifications for 5612760-4: Mounting Hole Quantity: 2; Clamping Hole Quantity: 5; Center to Center Distance Between First and Fourth Clamping Holes: 1.177 INCHES NOMINAL IN; Distance From End to First Clamping Hole Center: 0.526 INCHES NOMINAL IN. 11 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.