The Clamp,synchro, cataloged under National Stock Number 5340-01-179-3680, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div Ocean Systems. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-179-3680 |
| Primary Part Number | 3322815 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | L3 Technologies, Inc. Div Ocean Systems |
| Status | ACTIVE |
| Length | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-250/11,TEMPER 4 OR 451 FED SPEC SINGLE MATERIAL RESPONSE |
| Height | 0.188 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| Width | 0.359 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| Furnished Items | LOCKNUT |
| Hole Diameter | 0.155 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3322815 PRIMARY | L3 Technologies, Inc. Div Ocean Systems (USA) |
| Reference | Meaning |
|---|---|
| 3322815 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 5340-01-179-3680 is a Clamp,synchro, manufactured by L3 Technologies, Inc. Div Ocean Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-179-3680 has 1 manufacturer part number on file: 3322815 (L3 Technologies, Inc. Div Ocean Systems).
Key specifications for 3322815: Length: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-250/11,TEMPER 4 OR 451 FED SPEC SINGLE MATERIAL RESPONSE; Height: 0.188 INCHES NOMINAL IN; Surface Treatment: CHROMATE. 8 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.