The Bolt,shoulder, cataloged under National Stock Number 5306-01-033-2635, 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 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-033-2635 |
| Primary Part Number | ST3M494-3-8 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 0.823 INCHES MINIMUM AND 0.853 INCHES MAXIMUM IN |
| Shoulder Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| S11-1065-3-8 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M494-3-8 PRIMARY | The Boeing Company Div Defense (USA) |
| PBF1263-3-8 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| VS3251-3-8 | 5/9 Secondary reference U.S. Government activity |
| ST3M494-3-8 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| ST3M494-3-8 | 5/9 Secondary reference U.S. Government activity |
| ST3M494-3-8 | 3/2 Design control — primary reference U.S. Government activity |
| ST3M494-3-8 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| ST3M494-3-8 | 3/2 Design control — primary reference U.S. Government activity |
| ST3M494-3-8 | 5/9 Secondary reference U.S. Government activity |
| VS3251-3-8 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
NSN 5306-01-033-2635 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-033-2635 has 3 manufacturer part numbers on file: S11-1065-3-8 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), ST3M494-3-8 (The Boeing Company Div Defense), PBF1263-3-8 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for ST3M494-3-8: Head Height: 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 0.823 INCHES MINIMUM AND 0.853 INCHES MAXIMUM IN; Shoulder Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN. 16 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.