The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-256-6827, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Deere & Co. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-256-6827 |
| Primary Part Number | U11428 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Thread Length | 0.313 INCHES NOMINAL IN |
| First Diameter From Head | 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 1.437 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.312 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| U11428 PRIMARY | Deere & Co (USA) |
NSN 5306-01-256-6827 is a Bolt,externally Relieved Body, manufactured by Deere & Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-256-6827 has 1 manufacturer part number on file: U11428 (Deere & Co).
Key specifications for U11428: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 1.750 INCHES NOMINAL IN; Thread Length: 0.313 INCHES NOMINAL IN; First Diameter From Head: 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 16 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.