The Bolt,shoulder, cataloged under National Stock Number 5306-00-835-1653, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Horst Engineering & Manufacturing Co. Government technical data includes 22 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-835-1653 |
| Primary Part Number | P38294 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Horst Engineering & Manufacturing Co |
| Status | ACTIVE |
| Head Height | 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN |
| Fastener Length | 3.830 INCHES MINIMUM AND 3.850 INCHES MAXIMUM IN |
| Shoulder Length | 3.080 INCHES MINIMUM AND 3.090 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.7465 INCHES MINIMUM AND 0.7485 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.661 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM FIRST HOLE IN |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | AMS 5613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 5/8-18 |
| Material | STEEL COMP 410 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.668 INCHES MINIMUM AND 3.688 INCHES MAXIMUM FIRST HOLE IN |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5306-00-835-1653 is a Bolt,shoulder, manufactured by Horst Engineering & Manufacturing Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-835-1653 has 2 manufacturer part numbers on file: P38294 (Horst Engineering & Manufacturing Co), P38294 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for P38294: Head Height: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN; Fastener Length: 3.830 INCHES MINIMUM AND 3.850 INCHES MAXIMUM IN; Shoulder Length: 3.080 INCHES MINIMUM AND 3.090 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.7465 INCHES MINIMUM AND 0.7485 INCHES MAXIMUM FIRST SHOULDER IN. 22 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.