The Bolt,shoulder, cataloged under National Stock Number 5306-01-207-9321, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 20 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-207-9321 |
| Primary Part Number | VAL23033-3-21X |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Extended Washer Thickness | 0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Head Height | 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN |
| Fastener Length | 1.696 INCHES MINIMUM AND 1.726 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 | 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.374 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.241 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| VAL23033-3-21X PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M607-3-21 PRIMARY | The Boeing Company Div Defense (USA) |
| S11-1063-3-21 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M607-3-21 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| BM3326-3-21Y | 5/9 Secondary reference U.S. Government activity |
| BM3326-3-21Y | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS3061-3-21 | 5/9 Secondary reference U.S. Government activity |
| 74328-3-21Y | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| MB87-3-21 | 5/9 Secondary reference Hi-Shear Corporation |
| 74328-3-21Y | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-207-9321 is a Bolt,shoulder, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-207-9321 has 4 manufacturer part numbers on file: VAL23033-3-21X (Valley-Todeco, Inc. Dba Arconic Fastening Systems), ST3M607-3-21 (The Boeing Company Div Defense), S11-1063-3-21 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), ST3M607-3-21 (Reid Products Inc. Dba Reid Products Inc).
Key specifications for VAL23033-3-21X: Extended Washer Thickness: 0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN; Head Height: 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN; Fastener Length: 1.696 INCHES MINIMUM AND 1.726 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.