The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-059-1209, 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 14 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-059-1209 |
| Primary Part Number | 3M33-5-39A |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 2.969 INCHES NOMINAL IN |
| Thread Length | 0.531 INCHES MINIMUM IN |
| Material Document and Classification | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.438 INCHES NOMINAL IN |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Grip Diameter | 0.3112 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 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 |
|---|---|
| 3M33-5-39A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M33-5-39A | Howmet Global Fastening Systems Inc (USA) |
| 3M33-5-39A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M33-5-39A PRIMARY | The Boeing Company Div Defense (USA) |
| 3M33-5-39A | Huck International, Inc (USA) |
| 3M33-5-39A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M33-5-39A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 3M33-5-39A | 5/2 Secondary reference U.S. Government activity |
| 3M33-5-39A | 5/2 Secondary reference U.S. Government activity |
| 3M33-5-39A | 5/9 Secondary reference Defense Support Services, Inc. |
| 3M33-5-39A | 5/9 Secondary reference Sps Technologies Inc |
| 3M33-5-39A | 5/9 Secondary reference Madison Aerospace, Inc. Dba Madison Aerospace Inc |
NSN 5306-00-059-1209 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-059-1209 has 7 manufacturer part numbers on file: 3M33-5-39A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3M33-5-39A (Howmet Global Fastening Systems Inc), 3M33-5-39A (Sps Technologies, Llc Dba PB Fasteners), 3M33-5-39A (The Boeing Company Div Defense), 3M33-5-39A (Huck International, Inc) and 2 more.
Key specifications for 3M33-5-39A: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 2.969 INCHES NOMINAL IN; Thread Length: 0.531 INCHES MINIMUM IN; Material Document and Classification: AMS 5735 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.