The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-357-1728, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-357-1728 |
| Primary Part Number | ST3M453-3D67 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 4.503 INCHES MINIMUM AND 4.550 INCHES MAXIMUM IN |
| Thread Length | 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.178 INCHES MINIMUM AND 4.198 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 CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 4.382 INCHES MINIMUM AND 4.439 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 |
|---|---|
| MB61-3D67 | Hi-Shear Corporation (USA) |
| AIC753-3D67 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| PBF1253-3D67 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11825-3D67 | Reid Products Inc. Dba Reid Products Inc (USA) |
| S11-1060-3D67 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| HP5453-3D67 | Heartland Precision Fasteners Inc (USA) |
| MB61-3D67 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GS1016-3D67 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| VS3204-3D67 | Howmet Global Fastening Systems Inc (USA) |
| VAL23029-3D67 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M453-3D67 PRIMARY | The Boeing Company Div Defense (USA) |
| FIT7047-3D67 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| 109453-3D67 | 5/9 Secondary reference Sps Technologies Inc |
| 109453-3D67 | 5/9 Secondary reference U.S. Government activity |
| 109453-3D67 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| ST3M453-3D67 | 5/2 Secondary reference U.S. Government activity |
| US3204-3D67 | 5/9 Secondary reference U.S. Government activity |
| BM17019-3D67 | 5/9 Secondary reference Huck International, Inc |
| 109453-3D67 | 5/9 Secondary reference Sps Technologies Inc |
| BM17019-3D67 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-357-1728 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-357-1728 has 12 manufacturer part numbers on file: MB61-3D67 (Hi-Shear Corporation), AIC753-3D67 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), PBF1253-3D67 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 11825-3D67 (Reid Products Inc. Dba Reid Products Inc), S11-1060-3D67 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 7 more.
Key specifications for ST3M453-3D67: Head Height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Fastener Length: 4.503 INCHES MINIMUM AND 4.550 INCHES MAXIMUM IN; Thread Length: 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN; Shank Unthreaded Hole Diameter: 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE IN. 15 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.