The Bolt,shoulder, cataloged under National Stock Number 5306-01-142-6273, 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 Div PB Fasteners. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 15 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-142-6273 |
| Primary Part Number | PBF1366-3-2 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 0.441 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN |
| Shoulder Length | 0.116 INCHES MINIMUM AND 0.136 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.305 INCHES MINIMUM AND 0.372 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 |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.376 INCHES MAXIMUM IN |
| 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 |
|---|---|
| PBF1366-3-2 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VS3038-3-2 | Howmet Global Fastening Systems Inc (USA) |
| BM17019-3-2Y | Huck International, Inc (USA) |
| VAL23608-3-2 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M507-3-2 | Saturn Fasteners Inc (USA) |
| MB89-3-2 | Hi-Shear Corporation (USA) |
| HP5507-3-2 | Heartland Precision Fasteners Inc (USA) |
| ST3M507-3-2 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M507-3-2 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M507-3-2 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| WC507-3-2 | West Coast Aerospace, Inc. (USA) |
| S11-1062-3-2 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 11921-3-2 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M507-3-2 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M507-3-2 | Houston Precision Fasteners I Lp (USA) |
| Reference | Meaning |
|---|---|
| 109451-3-2 | 3/2 Design control — primary reference U.S. Government activity |
| BM17019-3-2Y | 5/9 Secondary reference U.S. Government activity |
| MA5507-3-2 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| 109451-3-2 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| MB89-3-2 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| ST3M507-3-2 | 5/9 Secondary reference The Boeing Company Div Defense |
| ST3M507-3-2 | 5/9 Secondary reference U.S. Government activity |
| VS3038-3-2 | 5/9 Secondary reference U.S. Government activity |
| ST3M507-3-2 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
NSN 5306-01-142-6273 is a Bolt,shoulder, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-142-6273 has 15 manufacturer part numbers on file: PBF1366-3-2 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), VS3038-3-2 (Howmet Global Fastening Systems Inc), BM17019-3-2Y (Huck International, Inc), VAL23608-3-2 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), ST3M507-3-2 (Saturn Fasteners Inc) and 10 more.
Key specifications for PBF1366-3-2: Head Height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Fastener Length: 0.441 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN; Shoulder Length: 0.116 INCHES MINIMUM AND 0.136 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN. 15 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.