The Bolt,machine, cataloged under National Stock Number 5306-01-437-7288, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-437-7288 |
| Primary Part Number | 3D0263C8-24 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Surface Finish | 32.0 MICROINCHES FASTENER |
| Extended Washer Thickness | 0.062 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Head Height | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Fastener Length | 2.393 INCHES MINIMUM AND 2.423 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.922 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN |
| Thread Length | 0.908 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.644 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN |
| Grip Diameter | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 718 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 | X |
| Part Number | Manufacturer |
|---|---|
| 3D0263C8-24 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3D0263C8-24 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3D0262C8-24 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3D0263C8-24 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 3D0263C8-24 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-437-7288 is a Bolt,machine, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-437-7288 has 4 manufacturer part numbers on file: 3D0263C8-24 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 3D0263C8-24 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3D0262C8-24 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3D0263C8-24 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 3D0263C8-24: Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Surface Finish: 32.0 MICROINCHES FASTENER; Extended Washer Thickness: 0.062 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN; Head Height: 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN. 23 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.