The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-272-5796, 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 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-272-5796 |
| Primary Part Number | 1286M77G01 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Head Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Fastener Length | 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Thread Length | 0.890 INCHES NOMINAL IN |
| First Diameter From Head | 0.189 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | SPACER |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 1286M77G01 | Howmet Global Fastening Systems Inc (USA) |
| 1286M77G01 PRIMARY | General Electric Company (USA) |
| 1286M77G01 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 1286M77G01 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| 1286M77G01 | 5/2 Secondary reference U.S. Government activity |
| 1286M77G01 | 5/9 Secondary reference Accurate Threaded Products Company the |
NSN 5306-01-272-5796 is a Bolt,externally Relieved Body, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-272-5796 has 4 manufacturer part numbers on file: 1286M77G01 (Howmet Global Fastening Systems Inc), 1286M77G01 (General Electric Company), 1286M77G01 (Sps Technologies, Llc Dba PB Fasteners), 1286M77G01 (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
Key specifications for 1286M77G01: Head Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Fastener Length: 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Thread Length: 0.890 INCHES NOMINAL IN; First Diameter From Head: 0.189 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN. 14 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.