The Turnbuckle, cataloged under National Stock Number 5340-01-318-6889, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-318-6889 |
| Primary Part Number | 3022T53 |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 BOLT AND 2 NUT |
| Take-Up Distance | 6.000 INCHES NOMINAL IN |
| Body Style | ROUND OPEN BODY |
| End Style | CLEVIS AND CLEVIS |
| Material Document and Classification | NAVAL SEA SYSTEMS COMMAND,18-8 TY 303-304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Locking Device Type | NUT |
| Nominal Thread Size | 0.375 INCHES BODY IN |
| Fork Width | 0.563 INCHES NOMINAL IN |
| Pinhole Diameter | 0.313 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) BODY |
| 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 |
|---|---|
| 3022T53 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 6146571 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5340-01-318-6889 is a Turnbuckle, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-318-6889 has 1 manufacturer part number on file: 3022T53 (Mcmaster-Carr Supply Co).
Key specifications for 3022T53: Furnished Items and Quantity: 2 BOLT AND 2 NUT; Take-Up Distance: 6.000 INCHES NOMINAL IN; Body Style: ROUND OPEN BODY; End Style: CLEVIS AND CLEVIS. 11 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.