The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-485-5754, 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 20 specifications, cited from the U.S. Government catalog. The record lists 19 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-485-5754 |
| Primary Part Number | ST3M753-9-39 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.081 INCHES NOMINAL IN |
| Head Height | 0.505 INCHES NOMINAL IN |
| Fastener Length | 1.397 INCHES MINIMUM AND 1.427 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.037 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN |
| Thread Length | 0.849 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.563 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.563 INCHES NOMINAL IN |
| Head Minor Diameter | 0.610 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Grip Diameter | 0.5605 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| AIC763-9-39 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M753-9-39 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M753-9-39 | Hi-Shear Corporation (USA) |
| SLB255-9-39 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 122897-9-39 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M753-9-39 | Heartland Precision Fasteners Inc (USA) |
| VFK600-9-39 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| VS3190-9-39 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| GS1032-9-39 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M753-9-39 | Houston Precision Fasteners I Lp (USA) |
| ST3M753-9-39 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| PBF1267-9-39 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M753-9-39 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB156-9-39 PRIMARY | Hi-Shear Corporation (USA) |
| S343-9-39 PRIMARY | Huck International, Inc (USA) |
| HP7753-9-39 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| ST3M753-9-39 | Huck International, Inc (USA) |
| ST3M753-9-39 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M753-9-39 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 74B730085-201 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 122897-9-39 | 3/2 Design control — primary reference U.S. Government activity |
| 11829-9-39 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
| ST3M753-9-39 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-485-5754 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-485-5754 has 19 manufacturer part numbers on file: AIC763-9-39 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M753-9-39 (The Boeing Company Div Defense), ST3M753-9-39 (Hi-Shear Corporation), SLB255-9-39 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 122897-9-39 (Sps Technologies, Llc Dba PB Fasteners) and 14 more.
Key specifications for ST3M753-9-39: Extended Washer Thickness: 0.081 INCHES NOMINAL IN; Head Height: 0.505 INCHES NOMINAL IN; Fastener Length: 1.397 INCHES MINIMUM AND 1.427 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 20 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.