The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-003-7189, 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 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-003-7189 |
| Primary Part Number | 1C6123P13 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Head Height | 0.300 INCHES NOMINAL IN |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.438 INCHES NOMINAL IN |
| Thread Length | 0.640 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.313 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.030 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 1C6123P13 PRIMARY | General Electric Company (USA) |
NSN 5306-00-003-7189 is a Bolt,externally Relieved Body, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-003-7189 has 1 manufacturer part number on file: 1C6123P13 (General Electric Company).
Key specifications for 1C6123P13: Extended Washer Thickness: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Head Height: 0.300 INCHES NOMINAL IN; Fastener Length: 1.750 INCHES NOMINAL IN; Extended Washer Diameter: 0.438 INCHES NOMINAL IN. 17 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.