The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-812-3544, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-812-3544 |
| Primary Part Number | 1005124-1 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| Status | ACTIVE |
| Head Height | 0.875 INCHES NOMINAL IN |
| Fastener Length | 7.875 INCHES NOMINAL IN |
| Thread Length | 1.938 INCHES MINIMUM IN |
| Material Document and Classification | MIL-S-890,ALLOY 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 1.000 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 4.688 INCHES NOMINAL IN |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 4.812 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 1.531 INCHES NOMINAL IN |
| Width Between Flats | 2.250 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.125 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 3 |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 7 |
| Material | STEEL OVERALL |
| Third Diameter From Head | 1.000 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 1005124-1 PRIMARY | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| 1004111PC26 | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
NSN 5306-00-812-3544 is a Bolt,externally Relieved Body, manufactured by Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-812-3544 has 2 manufacturer part numbers on file: 1005124-1 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), 1004111PC26 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-571-1408. Verify interchangeability with system specifications before substitution.
Key specifications for 1005124-1: Head Height: 0.875 INCHES NOMINAL IN; Fastener Length: 7.875 INCHES NOMINAL IN; Thread Length: 1.938 INCHES MINIMUM IN; Material Document and Classification: MIL-S-890,ALLOY 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 20 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.