The Clamp,block, cataloged under National Stock Number 5342-01-650-2180, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Clamp,block |
| FSC / FSG | 5342 — Hardware, Weapon System (FSG 53) |
| Parameter | Value |
|---|---|
| NSN | 5342-01-650-2180 |
| Item Name | Clamp,block |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| JSFL23P3NB | 3/2 Design control — primary reference U.S. Government activity |
| S681-3 | 5/9 Secondary reference Umpco, Inc. Dba Umpco Inc |
| JSFL23 | D/9 Drawing number reference only U.S. Government activity |
| JSFL23P3NB | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5342-01-650-2180 is a Clamp,block, classified under FSC 5342, Hardware, Weapon System. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5342-01-650-2181, 5342-01-666-0184. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.