The Clamp,synchro, cataloged under National Stock Number 5340-01-369-1844, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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 | 5340-01-369-1844 |
| Primary Part Number | 6661652-1 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Length | 1.740 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-83488,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OR ASTMB633-1985,TY 2 ASSN STD SINGLE TREATMENT RESPONSE |
| Style Designator | MOUNTING |
| Material Document and Classification | AISI 1008 ASSN STD SINGLE MATERIAL RESPONSE |
| Effective Height | 0.675 INCHES NOMINAL IN |
| Height | 0.800 INCHES NOMINAL IN |
| Surface Treatment | ALUMINUM OR ZINC |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.310 INCHES NOMINAL IN |
| Width | 0.620 INCHES NOMINAL IN |
| Material | STEEL COMP 1008 |
| Hole Diameter | 0.219 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.310 INCHES NOMINAL 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 |
| Part Number | Manufacturer |
|---|---|
| 6661652-1 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-369-1844 is a Clamp,synchro, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-369-1844 has 1 manufacturer part number on file: 6661652-1 (Naval Sea Systems Command).
Key specifications for 6661652-1: Length: 1.740 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-83488,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OR ASTMB633-1985,TY 2 ASSN STD SINGLE TREATMENT RESPONSE; Style Designator: MOUNTING; Material Document and Classification: AISI 1008 ASSN STD SINGLE MATERIAL RESPONSE. 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.