The Bolt,shoulder, cataloged under National Stock Number 5306-01-498-5944, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-498-5944 |
| Primary Part Number | BACB30PU10-26 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Fastener Length | 2.360 INCHES NOMINAL IN |
| Shoulder Length | 1.625 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.624 INCHES MINIMUM AND 0.625 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.610 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | IRON ALLOY 660 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 |
|---|---|
| BACB30PU10-26 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30PU10-26 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30PU10-26 | Howmet Global Fastening Systems Inc (USA) |
| BACB30PU10-26 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30PU10-26 | Federal Manufacturing Corp (USA) |
| BACB30PU10-26 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| BACB30PU10-26 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-498-5944 is a Bolt,shoulder, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-498-5944 has 6 manufacturer part numbers on file: BACB30PU10-26 (Sps Technologies, Llc Dba PB Fasteners), BACB30PU10-26 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30PU10-26 (Howmet Global Fastening Systems Inc), BACB30PU10-26 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30PU10-26 (Federal Manufacturing Corp) and 1 more.
Key specifications for BACB30PU10-26: Head Height: 0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Fastener Length: 2.360 INCHES NOMINAL IN; Shoulder Length: 1.625 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.624 INCHES MINIMUM AND 0.625 INCHES MAXIMUM FIRST SHOULDER IN. 14 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.