The Bolt,eccentric Head, cataloged under National Stock Number 5306-00-149-0751, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-149-0751 |
| Primary Part Number | 7104A |
| Item Name | Bolt,eccentric Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Hardness Rating | 269.0 BRINELL STANDARD MINIMUM AND 307.0 BRINELL STANDARD MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM FIRST HOLE IN |
| Distance From Center of Head to Center of Shank | 0.156 INCHES NOMINAL IN |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Nonstandard Thread Pitch Diameter | +0.5234 TO 0.5625 INCHES IN |
| Minimum Tensile Strength | 135000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 11000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 3140 OR STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.094 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 0.776 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 7104A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 7104A | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 5306-00-149-0751 is a Bolt,eccentric Head, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-149-0751 has 1 manufacturer part number on file: 7104A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-037-7912. Verify interchangeability with system specifications before substitution.
Key specifications for 7104A: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 1.250 INCHES NOMINAL IN; Hardness Rating: 269.0 BRINELL STANDARD MINIMUM AND 307.0 BRINELL STANDARD MAXIMUM OVERALL; Shank Unthreaded Hole Diameter: 0.141 INCHES MINIMUM FIRST HOLE IN. 18 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.