The Clamp,synchro, cataloged under National Stock Number 5340-01-100-8149, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 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 | 5340-01-100-8149 |
| Primary Part Number | 12287403 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Length | 34.060 INCHES NOMINAL IN |
| Height | 1.380 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| Width | 4.100 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | LOCKNUT |
| Hole Diameter | 0.750 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 |
|---|---|
| 12287403 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-01-100-8149 is a Clamp,synchro, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-100-8149 has 1 manufacturer part number on file: 12287403 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12287403: Length: 34.060 INCHES NOMINAL IN; Height: 1.380 INCHES NOMINAL IN; Special Features: 36 MTG HOLES 0.875 C-TO-C; 90 DEGANGLE; 0.0598 MATL THK; 6 CUTOUTS 0.810 IN. LG X 0.440 IN. W C-TO-C ALONG LOCK LEG; 7TH CUTOUT 1.060 IN. LG X 0.310 IN. W IN; Surface Treatment: CADMIUM. 7 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.