PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PB146-1Bolt,shoulder

Wisconsin Motors, Llc · NSN 5306-00-147-3741 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-147-3741 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-147-3741. Primary manufacturer part number: PB146-1.
Features
  • Bolt,shoulder — FSC 5306
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Head Style: DEE CHAMFER
  • Nonstandard Thread Pitch Diameter: +0.3450 TO 0.3480 INCHES IN
  • Shoulder Length: 0.719 INCHES NOMINAL FIRST SHOULDER IN
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: UN
  • Fastener Length: 2.000 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 3135 or Steel Comp 4140 Overall construction
General Description

The Bolt,shoulder, cataloged under National Stock Number 5306-00-147-3741, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-147-3741
Primary Part NumberPB146-1
Item NameBolt,shoulder
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusCANCELLED
Nominal Thread Diameter0.375 INCHES IN
Head StyleDEE CHAMFER
Nonstandard Thread Pitch Diameter+0.3450 TO 0.3480 INCHES IN
Shoulder Length0.719 INCHES NOMINAL FIRST SHOULDER IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUN
Fastener Length2.000 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Hardness Rating29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
Distance From Centerline to Flat0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
MaterialSTEEL COMP 3135 OR STEEL COMP 4140 OVERALL
Shoulder ShapeROUND FIRST SHOULDER
Shoulder Diameter0.406 INCHES MINIMUM AND 0.408 INCHES MAXIMUM FIRST SHOULDER IN
Thread Length0.750 INCHES MINIMUM IN
Head Diameter0.562 INCHES NOMINAL IN
Head Height0.219 INCHES NOMINAL IN
Thread Quantity Per Inch24
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
No Item Name Available
3020-00-523-8665SM-B-187463 INTERCHANGEABLE
Gear,spur
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-691-9149 INTERCHANGEABLE
Connector Assy,conv
5330-00-911-56044641 INTERCHANGEABLE
Seal,plain Encased
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5330-01-134-896356-274 INTERCHANGEABLE
Retainer
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
4130-01-508-967256274 INTERCHANGEABLE
Condenser,refrigeration
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
PB146-1 PRIMARY Wisconsin Motors, Llc (USA)
56274 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
5306-00-322-9867SUCCESSOR
NO ITEM NAME AVAILABLE
3020-00-523-8665INTERCHANGEABLE
GEAR,SPUR
SM-B-187463
5935-00-691-9149INTERCHANGEABLE
CONNECTOR ASSY,CONV
5330-00-911-5604INTERCHANGEABLE
SEAL,PLAIN ENCASED
4641
5330-01-134-8963INTERCHANGEABLE
RETAINER
56-274
4130-01-508-9672INTERCHANGEABLE
CONDENSER,REFRIGERATION
56274

Frequently Asked Questions

What is NSN 5306-00-147-3741?

NSN 5306-00-147-3741 is a Bolt,shoulder, manufactured by Wisconsin Motors, Llc, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-147-3741?

NSN 5306-00-147-3741 has 2 cross-referenced part numbers: PB146-1 (Wisconsin Motors, Llc), 56274 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 5306-00-147-3741?

There are 6 known substitutes for 5306-00-147-3741: 5306-00-322-9867, 3020-00-523-8665, 5935-00-691-9149 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PB146-1?

Key specifications for PB146-1: Nominal Thread Diameter: 0.375 INCHES IN; Head Style: DEE CHAMFER; Nonstandard Thread Pitch Diameter: +0.3450 TO 0.3480 INCHES IN; Shoulder Length: 0.719 INCHES NOMINAL FIRST SHOULDER IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-147-3741 still in active supply?

NSN 5306-00-147-3741 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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