The Clamp,synchro, cataloged under National Stock Number 5340-01-155-2711, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-155-2711 |
| Primary Part Number | 9290806 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Length | 5.940 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-P-15328 MIL SPEC SINGLE TREATMENT RESPONSE AND TT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.375 INCHES IN |
| Height | 0.750 INCHES NOMINAL IN |
| Color | GREEN |
| Surface Treatment | PRIMER AND CHROMATE ZINC AND ENAMEL |
| Width | 1.130 INCHES NOMINAL IN |
| Thread Class | 2B |
| Material | STEEL COMP 1018 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Furnished Items | LOCKNUT |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 9290806 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5340-01-155-2711 is a Clamp,synchro, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-155-2711 has 1 manufacturer part number on file: 9290806 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 9290806: Length: 5.940 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-P-15328 MIL SPEC SINGLE TREATMENT RESPONSE AND TT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE; Nominal Thread Size: 0.375 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.