The Bolt,shoulder, cataloged under National Stock Number 5306-01-207-0198, 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 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-207-0198 |
| Primary Part Number | ST3M607-8-21 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Head Height | 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN |
| Fastener Length | 2.064 INCHES MINIMUM AND 2.094 INCHES MAXIMUM IN |
| Shoulder Length | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.530 INCHES MINIMUM AND 0.531 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.742 INCHES MINIMUM AND 0.792 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.564 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| S11-1063-8-21 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M607-8-21 PRIMARY | The Boeing Company Div Defense (USA) |
| MB87-8-21 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M607-8-21 | Reid Products Inc. Dba Reid Products Inc (USA) |
| VAL23033-8-21X | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB87-8-21 | Hi-Shear Corporation (USA) |
| PBF1652-8-21 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC473-8-21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| BM3326-8-21Y | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| 74328-8-21Y | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS3061-8-21 | 5/2 Secondary reference U.S. Government activity |
| 74328-8-21Y | 5/2 Secondary reference U.S. Government activity |
| BM3326-8-21Y | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-207-0198 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-207-0198 has 8 manufacturer part numbers on file: S11-1063-8-21 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), ST3M607-8-21 (The Boeing Company Div Defense), MB87-8-21 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M607-8-21 (Reid Products Inc. Dba Reid Products Inc), VAL23033-8-21X (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 3 more.
Key specifications for ST3M607-8-21: Extended Washer Thickness: 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Head Height: 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN; Fastener Length: 2.064 INCHES MINIMUM AND 2.094 INCHES MAXIMUM IN; Shoulder Length: 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM FIRST SHOULDER IN. 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.