The Clamp,synchro, cataloged under National Stock Number 5340-01-375-5821, 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10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-375-5821 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Shank Diameter | 0.124 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Length | 0.820 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| Effective Height | 0.030 INCHES NOMINAL IN |
| Height | 0.160 INCHES NOMINAL IN |
| Distance From Hole Center to End | 0.710 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Width | 0.850 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 214C3903P1 | 5/9 Secondary reference U.S. Government activity |
| 214C3903P0001 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5340-01-375-5821 is a Clamp,synchro, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-375-5821: Shank Diameter: 0.124 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Length: 0.820 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE. 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.