The Clamp,block, cataloged under National Stock Number 5340-01-611-6281, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-611-6281 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Material Document and Classification | AMS5517 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 301 |
| 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 |
| Reference | Meaning |
|---|---|
| 901-381-800-183 | 3/2 Design control — primary reference U.S. Government activity |
| TA30300644-183 | 3/2 Design control — primary reference U.S. Government activity |
| 901-381-800 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5340-01-611-6281 is a Clamp,block, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1680-01-622-2486. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-611-6281: Material Document and Classification: AMS5517 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: USED ON NACELLE TUBE SUPPORT BLOCK ASSEMBLY; End Item Identification: V-22; Material: STEEL COMP 301. 2 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.