The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-238-8188, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-238-8188 |
| Primary Part Number | 7-317236841-5 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Head Height | 0.180 INCHES NOMINAL IN |
| External Thread Tolerance Class | 6H |
| Fastener Length | 10.159 INCHES NOMINAL IN |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 0.400 INCHES NOMINAL IN |
| First Diameter From Head | 0.248 INCHES NOMINAL IN |
| Nominal Thread Diameter | 7.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.512 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.300 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 8 |
| Material | STEEL COMP 4130 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 |
|---|---|
| 7-317236841-5 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-317236841-5 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5306-01-238-8188 is a Bolt,externally Relieved Body, manufactured by The Boeing Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-238-8188 has 1 manufacturer part number on file: 7-317236841-5 (The Boeing Company).
Key specifications for 7-317236841-5: Head Height: 0.180 INCHES NOMINAL IN; External Thread Tolerance Class: 6H; Fastener Length: 10.159 INCHES NOMINAL IN; Thread Pitch in Millimeters: 1.0. 13 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.