The Clamp,synchro, cataloged under National Stock Number 5340-01-139-9924, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-139-9924 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Length | 22.850 INCHES MINIMUM AND 22.910 INCHES MAXIMUM IN |
| Style Designator | SQUARE |
| Effective Length | 0.130 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Effective Height | 1.109 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN |
| Height | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 2.910 INCHES MINIMUM AND 2.970 INCHES MAXIMUM IN |
| Width | 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN |
| Material | STEEL |
| Hole Diameter | 0.256 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM 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 |
| Reference | Meaning |
|---|---|
| 58313-40365-9 | 5/2 Secondary reference U.S. Government activity |
| 58313-40365-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-139-9924 is a Clamp,synchro, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-139-9924: Length: 22.850 INCHES MINIMUM AND 22.910 INCHES MAXIMUM IN; Style Designator: SQUARE; Effective Length: 0.130 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN; Effective Height: 1.109 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN. 10 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.