The Bolt,shear, cataloged under National Stock Number 5306-01-198-3479, 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 19 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-198-3479 |
| Primary Part Number | PBF1267-5-21 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Head Height | 0.247 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN |
| Fastener Length | 1.848 INCHES MINIMUM AND 1.878 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Thread Length | 0.526 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.383 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| PBF1267-5-21 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VFK600-5-21 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| S343-5-21 PRIMARY | Huck International, Inc (USA) |
| MB156-5-21 PRIMARY | Hi-Shear Corporation (USA) |
| VS3190-5-21 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| AIC763-5-21 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M753-5-21 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| MB156-5-21 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GS1032-5-21 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| Reference | Meaning |
|---|---|
| ST3M753-5-21 | 5/9 Secondary reference Pruitt Energy Sources Inc |
| S343-5-21 | 5/9 Secondary reference U.S. Government activity |
| 122897-5-21 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| VS3190-5-21 | 5/9 Secondary reference U.S. Government activity |
| 122897-5-21 | 3/2 Design control — primary reference U.S. Government activity |
| VS190-5-21 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ST3M753-5-21 | 5/9 Secondary reference Sps Technologies Inc |
| 3929AS1141-N5-21 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| ST3M753-5-21 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5306-01-198-3479 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-198-3479 has 9 manufacturer part numbers on file: PBF1267-5-21 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), VFK600-5-21 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), S343-5-21 (Huck International, Inc), MB156-5-21 (Hi-Shear Corporation), VS3190-5-21 (Howmet Global Fastening Systems Inc) and 4 more.
Key specifications for PBF1267-5-21: Extended Washer Thickness: 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Head Height: 0.247 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN; Fastener Length: 1.848 INCHES MINIMUM AND 1.878 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.