PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

157431PC40T042Bolt,externally Relieved Body

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging · NSN 5306-00-393-3634 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-393-3634 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-393-3634. Primary manufacturer part number: 157431PC40T042.
Features
  • Bolt,externally Relieved Body — FSC 5306
  • Head Diameter: 0.875 INCHES NOMINAL IN
  • Fastener Length: 4.625 INCHES NOMINAL IN
  • Distance From Largest Bearing Surface of Head to End of First Diameter: 0.875 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.562 INCHES IN
  • Third Diameter From Head: 0.490 INCHES NOMINAL IN
  • Minimum Yield Strength: 105000 POUNDS PER SQUARE INCH LBS
  • Material Document and Classification: MIL-S-890,ALLOY MO. 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-393-3634, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-393-3634
Primary Part Number157431PC40T042
Item NameBolt,externally Relieved Body
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging
StatusACTIVE
Head Diameter0.875 INCHES NOMINAL IN
Fastener Length4.625 INCHES NOMINAL IN
Distance From Largest Bearing Surface of Head to End of First Diameter0.875 INCHES NOMINAL IN
Nominal Thread Diameter0.562 INCHES IN
Third Diameter From Head0.490 INCHES NOMINAL IN
Minimum Yield Strength105000 POUNDS PER SQUARE INCH LBS
Material Document and ClassificationMIL-S-890,ALLOY MO. 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Externally Relieved Body Diameter Quantity2
Thread Series DesignatorUNF
Second Diameter From Head0.560 INCHES NOMINAL IN
First Diameter From Head0.490 INCHES NOMINAL IN
Distance From Largest Bearing Surface of Head to End of Second Diameter2.875 INCHES NOMINAL IN
Shank Unthreaded Hole Diameter0.141 INCHES NOMINAL FIRST HOLE IN
Thread Quantity Per Inch18
Distance From Largest Bearing Surface of Head to End of Third Diameter3.688 INCHES NOMINAL IN
Distance From Head Largest Bearing Surface to Shank Hole Center4.344 INCHES NOMINAL FIRST HOLE IN
MaterialSTEEL OVERALL
Thread Class3A A
Head Height0.438 INCHES NOMINAL IN
Thread Length0.938 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Head StyleFLAT CHAMFER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2520-01-024-0279534G INTERCHANGEABLE
Parts Kit,universal Joint
Precision Universal Joint Corp
Cross-Reference Index
Part NumberManufacturer
157431PC40T042 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
031B Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
156408PC40T042 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
157017PC40T042 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
157441PC40T042 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
3031B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
031B Siemens Energy, Inc. Dba Dresser-Rand (USA)
Related Parts
2520-01-024-0279INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
534G

Frequently Asked Questions

What is NSN 5306-00-393-3634?

NSN 5306-00-393-3634 is a Bolt,externally Relieved Body, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-393-3634?

NSN 5306-00-393-3634 has 7 cross-referenced part numbers: 157431PC40T042 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 031B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 156408PC40T042 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 157017PC40T042 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 157441PC40T042 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 2 more.

What NSN replaces 5306-00-393-3634?

There is 1 known substitute for 5306-00-393-3634: 2520-01-024-0279. Verify interchangeability with system specifications before substitution.

What are the specifications of 157431PC40T042?

Key specifications for 157431PC40T042: Head Diameter: 0.875 INCHES NOMINAL IN; Fastener Length: 4.625 INCHES NOMINAL IN; Special Features: WITH GROOVE IN SIDE OF HEAD 0.188 IN. W 0.094 IN. DEEP,FURNISHED WITH HEX NUT AND COTTER PIN IN; Distance From Largest Bearing Surface of Head to End of First Diameter: 0.875 INCHES NOMINAL IN. 23 total characteristics are documented in the Federal Logistics Information System.

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