The Bolt,u, cataloged under National Stock Number 5306-01-268-9089, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Chicago Hardware and Fixture Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-268-9089 |
| Primary Part Number | 50059-3 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Chicago Hardware and Fixture Company |
| Status | ACTIVE |
| Inside Distance Between Shanks | 2.000 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Distance From Inside Center of Bend to Bolt End | 2.688 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL 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 |
|---|---|
| 50059-3 PRIMARY | Chicago Hardware and Fixture Company (USA) |
| 3043T625 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 3043T29 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 6KP137 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Corp |
| 5381-019 | C/1 Advisory reference — outside the item-of-supply concept Cemen Tech, Inc. |
NSN 5306-01-268-9089 is a Bolt,u, manufactured by Chicago Hardware and Fixture Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-268-9089 has 2 manufacturer part numbers on file: 50059-3 (Chicago Hardware and Fixture Company), 3043T625 (Mcmaster-Carr Supply Co).
Key specifications for 50059-3: Inside Distance Between Shanks: 2.000 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL IN; Distance From Inside Center of Bend to Bolt End: 2.688 INCHES NOMINAL IN; Style Designator: ROUND BEND. 11 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.