The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-024-2463, 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 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-024-2463 |
| Primary Part Number | MB61-3-38 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Head Height | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 2.690 INCHES MINIMUM AND 2.737 INCHES MAXIMUM IN |
| Thread Length | 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 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 |
|---|---|
| MB61-3-38 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| MB61-3-38 PRIMARY | Hi-Shear Corporation (USA) |
| VAL23029-3-38 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC753-3-38 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 11825-3-38 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| BM17019-3-38 | 5/9 Secondary reference U.S. Government activity |
| US3204-3-38 | 3/2 Design control — primary reference U.S. Government activity |
| 109453-3-38 | 3/2 Design control — primary reference U.S. Government activity |
| 109453-3-38 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| ST3M453-3-38 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5306-01-024-2463 is a Bolt,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-024-2463 has 5 manufacturer part numbers on file: MB61-3-38 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), MB61-3-38 (Hi-Shear Corporation), VAL23029-3-38 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), AIC753-3-38 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 11825-3-38 (Reid Products Inc. Dba Reid Products Inc).
Key specifications for MB61-3-38: Head Height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Fastener Length: 2.690 INCHES MINIMUM AND 2.737 INCHES MAXIMUM IN; Thread Length: 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.