The Turnbuckle Body, cataloged under National Stock Number 5340-00-321-5445, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-321-5445 |
| Item Name | Turnbuckle Body |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Body Style | HEX OPEN BODY |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.312 INCHES BODY IN |
| Body Length | 4.500 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE AND ENAMEL OVERALL |
| Thread Class | 2B BODY |
| Material | STEEL COMP 4130 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 |
| Reference | Meaning |
|---|---|
| 48B20058 | 3/9 Design control — primary reference U.S. Government activity |
| 48B20058 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-321-5445 is a Turnbuckle Body, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-321-5445: Body Style: HEX OPEN BODY; Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Size: 0.312 INCHES BODY IN; Body Length: 4.500 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.