The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-244-5941, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 19 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-244-5941 |
| Primary Part Number | 1441M12P01 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Head Height | 0.373 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN |
| Fastener Length | 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| Thread Length | 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN |
| First Diameter From Head | 0.302 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.190 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.319 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.060 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 3 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Third Diameter From Head | 0.280 INCHES MINIMUM AND 0.290 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 |
|---|---|
| 1441M12P01 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 1441M12P01 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| 1441M12P01 | 5/9 Secondary reference M.s. Aerospace Inc. Dba Ms Aerospace Inc |
| 1441M12P01 | 5/9 Secondary reference Bristol Industries, Llc |
| 1441M12P01 | 5/9 Secondary reference Acufast Aircraft Products |
| 1441M12P01 | 5/9 Secondary reference Mecair Aerospace Industries,subsidiary of Spstechnologiesdiv Division of Sps Technologiesdba Mecair Inc. Div Division of Sps Technologies |
NSN 5306-01-244-5941 is a Bolt,externally Relieved Body, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-244-5941 has 1 manufacturer part number on file: 1441M12P01 (General Electric Company).
Key specifications for 1441M12P01: Extended Washer Thickness: 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Head Height: 0.373 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN; Fastener Length: 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN; Extended Washer Diameter: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN. 19 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.