The Clamp,synchro, cataloged under National Stock Number 5340-00-421-8451, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Meggitt (new Hampshire), Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-421-8451 |
| Primary Part Number | 3-365-00525 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Meggitt (new Hampshire), Inc |
| Status | ACTIVE |
| Length | 0.275 INCHES NOMINAL IN |
| Height | 0.080 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Furnished Items | LOCKNUT |
| Hole Diameter | 0.125 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 |
|---|---|
| 3-365-00525 | Meggitt (new Hampshire), Inc (USA) |
| Reference | Meaning |
|---|---|
| 3-365-00525 | 5/9 Secondary reference U.S. Government activity |
| 365-00525 | 3/9 Design control — primary reference Moog Inc. Dba Moog Components Group |
| 3-365-00525 | 5/9 Secondary reference Moog Inc. Dba Moog Components Group |
| 365-00525 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-421-8451 is a Clamp,synchro, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-421-8451 has 1 manufacturer part number on file: 3-365-00525 (Meggitt (new Hampshire), Inc).
Key specifications for 3-365-00525: Length: 0.275 INCHES NOMINAL IN; Height: 0.080 INCHES NOMINAL IN; Material: COPPER ALLOY; Furnished Items: LOCKNUT. 5 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.