The Turnbuckle, cataloged under National Stock Number 5340-01-377-1489, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-377-1489 |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Take-Up Distance | 6.000 INCHES NOMINAL IN |
| Eye Width | 0.500 INCHES NOMINAL IN |
| End Style | CLOSED EYE AND CLOSED EYE |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 640-1104 | 3/9 Design control — primary reference U.S. Government activity |
| 1721F91PC17 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-377-1489 is a Turnbuckle, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-377-1489: Take-Up Distance: 6.000 INCHES NOMINAL IN; Eye Width: 0.500 INCHES NOMINAL IN; End Style: CLOSED EYE AND CLOSED EYE; Material: STEEL CORROSION RESISTING OVERALL. 4 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.