The Clamp,synchro, cataloged under National Stock Number 5340-00-073-5280, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Astronautics Corporation of America. Government technical data includes 9 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-073-5280 |
| Primary Part Number | 11955-001 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Length | 0.345 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-A-225/9,TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE |
| Height | 0.300 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Width | 0.300 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| Furnished Items | LOCKNUT |
| Hole Diameter | 0.144 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 |
|---|---|
| 11955-001 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5340-00-073-5280 is a Clamp,synchro, manufactured by Astronautics Corporation of America, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-073-5280 has 1 manufacturer part number on file: 11955-001 (Astronautics Corporation of America).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-044-7263. Verify interchangeability with system specifications before substitution.
Key specifications for 11955-001: Length: 0.345 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-A-225/9,TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE; Height: 0.300 INCHES NOMINAL IN. 9 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.