The Bolt,shoulder, cataloged under National Stock Number 5306-01-628-5752, 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 25 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-628-5752 |
| Primary Part Number | VAL23033-7H16X |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Extended Washer Thickness | 0.224 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Head Height | 0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Fastener Length | 1.690 INCHES MINIMUM AND 1.720 INCHES MAXIMUM IN |
| Shoulder Length | 0.224 INCHES MINIMUM AND 0.234 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.745 INCHES NOMINAL IN |
| Shoulder Diameter | 0.4677 INCHES MINIMUM AND 0.4682 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.705 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hole Configuration Style | DOUBLE HEXAGON FLATS |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.562 INCHES MINIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.4019 TO 0.4050 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 200000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.055 INCHES NOMINAL 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 |
|---|---|
| VAL23033-7H16X PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BM3326-7H16Y PRIMARY | Huck International, Inc (USA) |
| 74328-7H16Y | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M607-7H16 | The Boeing Company Div Defense (USA) |
| 74328-7H16Y PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| VS3601-7H16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-628-5752 is a Bolt,shoulder, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-628-5752 has 5 manufacturer part numbers on file: VAL23033-7H16X (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BM3326-7H16Y (Huck International, Inc), 74328-7H16Y (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M607-7H16 (The Boeing Company Div Defense), 74328-7H16Y (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for VAL23033-7H16X: Extended Washer Thickness: 0.224 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; Head Height: 0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Fastener Length: 1.690 INCHES MINIMUM AND 1.720 INCHES MAXIMUM IN; Shoulder Length: 0.224 INCHES MINIMUM AND 0.234 INCHES MAXIMUM FIRST SHOULDER IN. 25 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.