The Bolt,shoulder, cataloged under National Stock Number 5306-01-206-2337, 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 22 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-206-2337 |
| Primary Part Number | ST3M607-4D10 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| Head Height | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Fastener Length | 1.078 INCHES MINIMUM AND 1.108 INCHES MAXIMUM IN |
| Shoulder Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.280 INCHES MINIMUM AND 0.281 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.443 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.313 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.886 INCHES MINIMUM AND 0.926 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| ST3M607-4D10 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M607-4D10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| MB87-4D10 | Hi-Shear Corporation (USA) |
| VAL23033-4D10X | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC473D4-10 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S11-1063-4D10 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| MB87-4D10 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| PBF1652-4D10 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BM3326-4D10Y | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BM3326-4D10Y | 5/9 Secondary reference U.S. Government activity |
| 74328-4D10Y | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS3061-4D10 | 5/2 Secondary reference U.S. Government activity |
| 74328-4D10Y | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-206-2337 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-206-2337 has 8 manufacturer part numbers on file: ST3M607-4D10 (The Boeing Company Div Defense), ST3M607-4D10 (Sps Technologies, Llc Dba PB Fasteners), MB87-4D10 (Hi-Shear Corporation), VAL23033-4D10X (Valley-Todeco, Inc. Dba Arconic Fastening Systems), AIC473D4-10 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 3 more.
Key specifications for ST3M607-4D10: Extended Washer Thickness: 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Head Height: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Fastener Length: 1.078 INCHES MINIMUM AND 1.108 INCHES MAXIMUM IN; Shoulder Length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM FIRST SHOULDER IN. 22 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.