The Turnbuckle, cataloged under National Stock Number 5340-01-642-2688, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Johnson C Sherman Co Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-642-2688 |
| Primary Part Number | 04-110 |
| Item Name | Turnbuckle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Johnson C Sherman Co Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 PIN AND 2 RING |
| Take-Up Distance | 3.000 INCHES NOMINAL IN |
| Length | 8.000 INCHES MINIMUM AND 11.000 INCHES MAXIMUM IN |
| Body Style | ROUND CLOSED BODY |
| End Style | CLEVIS AND CLEVIS |
| Thread Length | 1.500 INCHES MAXIMUM ROD CONNECTION IN |
| Nominal Thread Size | 0.250 INCHES ROD CONNECTION IN |
| Body Length | 4.500 INCHES NOMINAL IN |
| Fork Width | 2.500 INCHES NOMINAL IN |
| Pinhole Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 2B ROD CONNECTION |
| Thread Quantity Per Inch | 28 ROD CONNECTION |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF ROD CONNECTION |
| 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 |
|---|---|
| 3082T32 | Mcmaster-Carr Supply Company (USA) |
| 04-110 PRIMARY | Johnson C Sherman Co Inc (USA) |
| Reference | Meaning |
|---|---|
| D-WK-879-66 REV F PC. NO. 21 | 5/2 Secondary reference U.S. Government activity |
| D-WK-879-66-21 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-642-2688 is a Turnbuckle, manufactured by Johnson C Sherman Co Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-642-2688 has 2 manufacturer part numbers on file: 3082T32 (Mcmaster-Carr Supply Company), 04-110 (Johnson C Sherman Co Inc).
Key specifications for 04-110: Furnished Items and Quantity: 2 PIN AND 2 RING; Take-Up Distance: 3.000 INCHES NOMINAL IN; Length: 8.000 INCHES MINIMUM AND 11.000 INCHES MAXIMUM IN; Body Style: ROUND CLOSED BODY. 14 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.