The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-926-5633, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines. Government technical data includes 25 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 | 5306-00-926-5633 |
| Primary Part Number | 701257 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines |
| Status | ACTIVE |
| Fourth Diameter From Head | 0.472 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Fifth Diameter | 1.790 INCHES NOMINAL IN |
| Head Height | 0.200 INCHES NOMINAL IN |
| Fastener Length | 2.690 INCHES MINIMUM AND 2.700 INCHES MAXIMUM IN |
| Distance From Centerline to Flat | 0.293 INCHES MINIMUM AND 0.298 INCHES MAXIMUM IN |
| Thread Length | 0.410 INCHES MINIMUM IN |
| Hardness Rating | 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| Material Document and Classification | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.402 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.430 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.469 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 1.110 INCHES NOMINAL IN |
| Head Style | DEE |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.472 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.160 INCHES NOMINAL IN |
| Fifth Diameter From Head | 0.402 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.4370 TO 0.4385 INCHES IN |
| Externally Relieved Body Diameter Quantity | 5 |
| Thread Quantity Per Inch | 20 |
| Material | IRON ALLOY 660 OVERALL |
| Distance From Largest Bearing Surface of Head to End of Fourth Diameter | 1.190 INCHES NOMINAL IN |
| Third Diameter From Head | 0.402 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Thread Series Designator | UNS |
| Head Diameter | 0.705 INCHES MINIMUM AND 0.709 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 701257 PRIMARY | Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines (USA) |
NSN 5306-00-926-5633 is a Bolt,externally Relieved Body, manufactured by Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-926-5633 has 1 manufacturer part number on file: 701257 (Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines).
Key specifications for 701257: Fourth Diameter From Head: 0.472 INCHES NOMINAL IN; Distance From Largest Bearing Surface of Head to End of Fifth Diameter: 1.790 INCHES NOMINAL IN; Head Height: 0.200 INCHES NOMINAL IN; Fastener Length: 2.690 INCHES MINIMUM AND 2.700 INCHES MAXIMUM IN. 25 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.