The Bolt,shoulder, cataloged under National Stock Number 5306-01-555-9962, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Federal Manufacturing Corp. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-555-9962 |
| Primary Part Number | BACB30PF4-28 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Federal Manufacturing Corp |
| Status | ACTIVE |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Fastener Length | 1.845 INCHES NOMINAL IN |
| Shoulder Length | 1.188 INCHES MINIMUM AND 1.208 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.345 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP E4340 OR STEEL COMP 8740 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 |
|---|---|
| BACB30PF4-28 | Federal Manufacturing Corp (USA) |
| BACB30PF4-28 | The Boeing Company (USA) |
| BACB30PF4-28 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30PF4-28 | Howmet Global Fastening Systems Inc (USA) |
| BACB30PF4-28 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30PF4-28 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30PF4-28 | Huck International, Inc (USA) |
| BACB30PF4-28 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30PF4-28 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| BACB30PF4-28 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30PF4-28 | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
NSN 5306-01-555-9962 is a Bolt,shoulder, manufactured by Federal Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-555-9962 has 9 manufacturer part numbers on file: BACB30PF4-28 (Federal Manufacturing Corp), BACB30PF4-28 (The Boeing Company), BACB30PF4-28 (Sps Technologies, Llc Dba PB Fasteners), BACB30PF4-28 (Howmet Global Fastening Systems Inc), BACB30PF4-28 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 4 more.
Key specifications for BACB30PF4-28: Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Fastener Length: 1.845 INCHES NOMINAL IN; Shoulder Length: 1.188 INCHES MINIMUM AND 1.208 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.249 INCHES MINIMUM AND 0.250 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.