The Clamp,synchro, cataloged under National Stock Number 5340-01-016-1490, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-016-1490 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Length | 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-STD-171,FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-S-764,COND A,COLD FINISH FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.086 INCHES IN |
| Height | 0.114 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE |
| Width | 0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Material | STEEL COMP 303 |
| Thread Series Designator | UNF |
| Furnished Items | LOCKNUT |
| Hole Diameter | 0.081 INCHES MINIMUM AND 0.091 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 |
|---|---|
| 52451500080 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-016-1490 is a Clamp,synchro, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-016-1490: Length: 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-STD-171,FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-S-764,COND A,COLD FINISH FED SPEC SINGLE MATERIAL RESPONSE; Nominal Thread Size: 0.086 INCHES IN. 12 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.