The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-121-9769, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Propulsion Systems, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-121-9769 |
| Primary Part Number | 14448-A |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Propulsion Systems, Inc. |
| Status | ACTIVE |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 4.625 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 4 |
| Thread Length | 3.750 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Width Between Flats | 3.375 INCHES NOMINAL IN |
| Head Height | 3.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 11.500 INCHES NOMINAL IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Extended Washer Thickness | 1.000 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Externally Relieved Body Diameter Quantity | 1 |
| First Diameter From Head | 3.531 INCHES NOMINAL IN |
| Extended Washer Diameter | 4.938 INCHES NOMINAL IN |
| Nominal Thread Diameter | 3.500 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 14448-A PRIMARY | Propulsion Systems, Inc. (USA) |
| 14485-D PIECE 22 | Propulsion Systems, Inc. (USA) |
NSN 5306-01-121-9769 is a Bolt,externally Relieved Body, manufactured by Propulsion Systems, Inc., classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-01-121-9769 has 2 cross-referenced part numbers: 14448-A (Propulsion Systems, Inc.), 14485-D PIECE 22 (Propulsion Systems, Inc.).
There are 2 known substitutes for 5306-01-121-9769: 5330-00-361-2753, 5330-00-569-4354. Verify interchangeability with system specifications before substitution.
Key specifications for 14448-A: Distance From Largest Bearing Surface of Head to End of First Diameter: 4.625 INCHES NOMINAL IN; Thread Quantity Per Inch: 4; Thread Length: 3.750 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 17 total characteristics are documented in the Federal Logistics Information System.