The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-141-0923, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Propulsion Systems, Inc.. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-141-0923 |
| Primary Part Number | 14456-B |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Propulsion Systems, Inc. |
| Status | ACTIVE |
| Head Height | 1.250 INCHES NOMINAL IN |
| Fastener Length | 6.750 INCHES NOMINAL IN |
| Thread Length | 3.250 INCHES NOMINAL IN |
| First Diameter From Head | 2.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 3.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 3.125 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 3.500 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Minimum Tensile Strength | 1240000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 1040000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN |
| 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 |
|---|---|
| 14456-B PRIMARY | Propulsion Systems, Inc. (USA) |
| 715WPG-4400-51 PIECE 5 | United States Coast Guard Yard (USA) |
NSN 5306-01-141-0923 is a Bolt,externally Relieved Body, manufactured by Propulsion Systems, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-141-0923 has 2 manufacturer part numbers on file: 14456-B (Propulsion Systems, Inc.), 715WPG-4400-51 PIECE 5 (United States Coast Guard Yard).
Key specifications for 14456-B: Head Height: 1.250 INCHES NOMINAL IN; Fastener Length: 6.750 INCHES NOMINAL IN; Thread Length: 3.250 INCHES NOMINAL IN; First Diameter From Head: 2.750 INCHES NOMINAL 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.