The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-079-1365, 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 16 specifications, cited from the U.S. Government catalog. The record lists 18 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-079-1365 |
| Primary Part Number | ST3M453-3D7 |
| 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 | 0.753 INCHES MINIMUM AND 0.800 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 |
| Material Document and Classification | 23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.428 INCHES MINIMUM AND 0.448 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 | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.632 INCHES MINIMUM AND 0.689 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 |
|---|---|
| MB61-3D7 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| WC453-3D7 | West Coast Aerospace, Inc. (USA) |
| ST3M453-3D7 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| HP5453-3D7 | Heartland Precision Fasteners Inc (USA) |
| SLB252-3D7 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| PBF1253-3D7 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VS3204-3D7 | Howmet Global Fastening Systems Inc (USA) |
| AIC753-3D7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| FIT7047-3D7 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 11825-3D7 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M453-3D7 PRIMARY | The Boeing Company Div Defense (USA) |
| S11-1060-3D7 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| MB61-3D7 | Hi-Shear Corporation (USA) |
| VAL23029-3D7 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BM17019-3D7 | Huck International, Inc (USA) |
| 109453-3D7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M453-3D7 | Houston Precision Fasteners I Lp (USA) |
| GS1016-3D7 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| Reference | Meaning |
|---|---|
| S353-3D7 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| S353-3D7 | 5/9 Secondary reference U.S. Government activity |
| BM17019-3D7 | 5/9 Secondary reference U.S. Government activity |
| 109453-3D7 | 5/2 Secondary reference U.S. Government activity |
| VS3204-3D7 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-079-1365 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-079-1365 has 18 manufacturer part numbers on file: MB61-3D7 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), WC453-3D7 (West Coast Aerospace, Inc.), ST3M453-3D7 (M.s. Aerospace Inc. Dba Ms Aerospace Inc), HP5453-3D7 (Heartland Precision Fasteners Inc), SLB252-3D7 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok) and 13 more.
Key specifications for ST3M453-3D7: Head Height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Fastener Length: 0.753 INCHES MINIMUM AND 0.800 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. 16 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.