The Clamp,block,section, cataloged under National Stock Number 5340-00-122-1889, 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2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-122-1889 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 117287 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-122-1889 is a Clamp,block,section, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1560-01-732-4148. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-00-122-1889: Material Document and Classification: QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 2.440 INCHES NOMINAL IN; Overall Width: 0.489 INCHES NOMINAL IN; Special Features: 0.500 IN. MIN. 0.505 IN. MAX INSIDE RADIUS FROM BASE TO CONTOUR 2.000 IN. LG BETWEEN MOUNTING HOLES. 0.500 IN. THK OF MOUNTING FLANGES IN. 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.