The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-059-1203, 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 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-059-1203 |
| Primary Part Number | 3M33-3-33 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 2.469 INCHES NOMINAL IN |
| Thread Length | 0.407 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.070 INCHES NOMINAL ALL HOLES IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.062 INCHES NOMINAL IN |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Grip Diameter | 0.1889 INCHES MINIMUM 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 | 2.328 INCHES NOMINAL ALL HOLES 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 |
|---|---|
| 3M33-3-33 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M33-3-33 | Howmet Global Fastening Systems Inc (USA) |
| 3M33-3-33 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| 3M33-3-33 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M33-3-33 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| 3M33-3-33 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M33-3-33 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M33-3-33 | Kitco Llc (USA) |
| Reference | Meaning |
|---|---|
| 3M33-3-33 | 5/2 Secondary reference U.S. Government activity |
| 3M33-3-33 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-059-1203 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-059-1203 has 8 manufacturer part numbers on file: 3M33-3-33 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M33-3-33 (Howmet Global Fastening Systems Inc), 3M33-3-33 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 3M33-3-33 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 3M33-3-33 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company) and 3 more.
Key specifications for 3M33-3-33: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 2.469 INCHES NOMINAL IN; Thread Length: 0.407 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.070 INCHES NOMINAL ALL HOLES 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.