The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-289-7831, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fruehauf Corp Fruehauf Trailer Opns. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5306-01-289-7831 |
| Primary Part Number | ZKA7799 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fruehauf Corp Fruehauf Trailer Opns |
| Status | ACTIVE |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ZKA7799 PRIMARY | Fruehauf Corp Fruehauf Trailer Opns (USA) |
| Reference | Meaning |
|---|---|
| ZKA7799 | 5/9 Secondary reference Wurth Service Supply Co Inc |
NSN 5306-01-289-7831 is a Bolt,externally Relieved Body, manufactured by Fruehauf Corp Fruehauf Trailer Opns, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-289-7831 has 1 manufacturer part number on file: ZKA7799 (Fruehauf Corp Fruehauf Trailer Opns).
Key specifications for ZKA7799: Fastener Length: 0.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN; Features Provided: FINISHED HEAD; Head Style: HEXAGON. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.