The Turnbuckle, cataloged under National Stock Number 5340-01-446-4166, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-446-4166 |
| Primary Part Number | 518-5794762 ITEM 50 |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Length | 3.6750 INCHES NOMINAL END PULL IN |
| Material Document and Classification | QQ-C-465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 1.7500 INCHES END PULL IN |
| Body Length | 7.8750 INCHES NOMINAL IN |
| Thread Class | 3B END PULL |
| Thread Quantity Per Inch | 14 END PULL |
| Material | COPPER ALLOY UNS C63200 OVERALL |
| Thread Series Designator | UNF END PULL |
| 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 |
|---|---|
| 518-5794762 ITEM 50 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-446-4166 is a Turnbuckle, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-446-4166 has 1 manufacturer part number on file: 518-5794762 ITEM 50 (Naval Sea Systems Command).
Key specifications for 518-5794762 ITEM 50: Thread Length: 3.6750 INCHES NOMINAL END PULL IN; Material Document and Classification: QQ-C-465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Size: 1.7500 INCHES END PULL IN; Body Length: 7.8750 INCHES NOMINAL IN. 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.