The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-163-9359, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-163-9359 |
| Primary Part Number | 4024T91PO2 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co |
| Status | ACTIVE |
| Head Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Fastener Length | 7.940 INCHES MINIMUM AND 7.960 INCHES MAXIMUM IN |
| Thread Length | 0.645 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.094 INCHES MINIMUM AND 0.101 INCHES MAXIMUM FIRST HOLE IN |
| First Diameter From Head | 0.5100 INCHES MINIMUM AND 0.5105 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 5.185 INCHES MINIMUM AND 5.215 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 7.285 INCHES MINIMUM AND 7.295 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Second Diameter From Head | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Width Between Flats | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Material | NICKEL ALLOY 718 OVERALL |
| Third Diameter From Head | 0.5100 INCHES MINIMUM AND 0.5105 INCHES MAXIMUM IN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 7.710 INCHES MINIMUM AND 7.720 INCHES MAXIMUM FIRST HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4024T91PO2 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 4024T91P02 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 4024T91P02 | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA) |
| 4024T91P02 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 4024T91P02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-163-9359 is a Bolt,externally Relieved Body, manufactured by Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-163-9359 has 4 manufacturer part numbers on file: 4024T91PO2 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co), 4024T91P02 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 4024T91P02 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp), 4024T91P02 (M.s. Aerospace Inc. Dba Ms Aerospace Inc).
Key specifications for 4024T91PO2: Head Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Fastener Length: 7.940 INCHES MINIMUM AND 7.960 INCHES MAXIMUM IN; Thread Length: 0.645 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN; Shank Unthreaded Hole Diameter: 0.094 INCHES MINIMUM AND 0.101 INCHES MAXIMUM FIRST HOLE IN. 15 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.