The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-882-7933, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-882-7933 |
| Primary Part Number | 3M33-9-23A |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 2.344 INCHES NOMINAL IN |
| Thread Length | 0.906 INCHES MINIMUM IN |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.438 INCHES NOMINAL IN |
| Width Between Flats | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Grip Diameter | 0.5611 INCHES MINIMUM AND 0.5616 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| 3M33-9-23A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M33-9-23A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M33-9-23A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M33-9-23A PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 3M33-9-23A | 5/2 Secondary reference U.S. Government activity |
| 3M33-9-23A | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-882-7933 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-882-7933 has 4 manufacturer part numbers on file: 3M33-9-23A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M33-9-23A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 3M33-9-23A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3M33-9-23A (The Boeing Company Div Defense).
Key specifications for 3M33-9-23A: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 2.344 INCHES NOMINAL IN; Thread Length: 0.906 INCHES MINIMUM IN; Material Document and Classification: AMS 5732 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.