The Clamp,synchro, cataloged under National Stock Number 5340-01-383-0470, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-383-0470 |
| Primary Part Number | 1576AS316-1 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 2.950 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-225/9 T-6 FED SPEC SINGLE MATERIAL RESPONSE |
| Features Provided | INSERT |
| Nominal Thread Size | 0.250 INCHES IN |
| Effective Height | 0.700 INCHES NOMINAL IN |
| Height | 1.000 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 1.950 INCHES NOMINAL IN |
| Width | 1.000 INCHES NOMINAL IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | ALUMINUM ALLOY 7075 |
| Thread Series Designator | UNF |
| Furnished Items | NUT AND SETSCREW |
| Hole Diameter | 0.250 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.500 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 |
|---|---|
| 1576AS316-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 6374696 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-383-0470 is a Clamp,synchro, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-383-0470 has 1 manufacturer part number on file: 1576AS316-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1576AS316-1: Length: 2.950 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-225/9 T-6 FED SPEC SINGLE MATERIAL RESPONSE; Features Provided: INSERT; Nominal Thread Size: 0.250 INCHES IN. 15 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.