The Turnbuckle, cataloged under National Stock Number 5340-00-664-7004, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-664-7004 |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Accommodated Wire Rope Diameter | 0.312 INCHES NOMINAL IN |
| Take-Up Distance | 4.562 INCHES NOMINAL IN |
| Length | 11.688 INCHES NOMINAL IN |
| Body Style | HEX CLOSED BODY |
| End Style | WERE ROPE SOCKET AND CLEVIS |
| Locking Device Type | NUT |
| Nominal Thread Size | 0.500 INCHES BODY IN |
| Body Length | 6.000 INCHES NOMINAL IN |
| Fork Width | 0.625 INCHES NOMINAL IN |
| Pinhole Diameter | 0.516 INCHES NOMINAL IN |
| Thread Class | 1A BODY A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| 1Z431R | 5/9 Secondary reference Esmet Inc |
| RE-F2691781 | 5/2 Secondary reference U.S. Government activity |
| RE66F562A | 5/9 Secondary reference U.S. Government activity |
| MX1184U | 5/9 Secondary reference U.S. Government activity |
| 5WT9C | 3/9 Design control — primary reference Esmet Inc |
NSN 5340-00-664-7004 is a Turnbuckle, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-664-7004: Accommodated Wire Rope Diameter: 0.312 INCHES NOMINAL IN; Take-Up Distance: 4.562 INCHES NOMINAL IN; Length: 11.688 INCHES NOMINAL IN; Body Style: HEX CLOSED BODY. 13 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.