The Bolt,shoulder, cataloged under National Stock Number 5306-01-045-9525, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-045-9525 |
| Primary Part Number | MB87-9D24 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.123 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Head Height | 0.547 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| Fastener Length | 2.334 INCHES MINIMUM AND 2.364 INCHES MAXIMUM IN |
| Shoulder Length | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM FIRST SHOULDER IN |
| Extended Washer Diameter | 0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.592 INCHES MINIMUM AND 0.593 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.824 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.081 INCHES MINIMUM AND 2.121 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| VAL23033-9XD24 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BM3326-9D24Y | Huck International, Inc (USA) |
| MB87-9D24 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M607-9D24 | Reid Products Inc. Dba Reid Products Inc (USA) |
| MB87-9D24 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| VS3061-9D24 | 5/2 Secondary reference U.S. Government activity |
| 74328-9D24Y | 5/9 Secondary reference U.S. Government activity |
| ST3M607-9D24 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| BM3326-9D24Y | 5/9 Secondary reference U.S. Government activity |
| 74328-9D24Y | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5306-01-045-9525 is a Bolt,shoulder, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-045-9525 has 5 manufacturer part numbers on file: VAL23033-9XD24 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BM3326-9D24Y (Huck International, Inc), MB87-9D24 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M607-9D24 (Reid Products Inc. Dba Reid Products Inc), MB87-9D24 (Hi-Shear Corporation).
Key specifications for MB87-9D24: Extended Washer Thickness: 0.123 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Head Height: 0.547 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN; Fastener Length: 2.334 INCHES MINIMUM AND 2.364 INCHES MAXIMUM IN; Shoulder Length: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM FIRST SHOULDER 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.