PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11BMT239Stud,shouldered

Mack Trucks Inc Parts Opn · NSN 5307-00-353-2532 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-353-2532 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-353-2532. Primary manufacturer part number: 11BMT239.
Features
  • Stud,shouldered — FSC 5307
  • Hardness Rating: 42.0 ROCKWELL C NOMINAL
  • Nominal Thread Size: 1.000 INCHES STUD THREAD IN
  • Thread Length: 1.250 INCHES MINIMUM NUT THREAD IN
  • Thread Quantity Per Inch: 14 STUD THREAD
  • Thread Class: 3A NUT THREAD A
  • Distance From Cotter Pin Hole Centerline to Nut End: 0.250 INCHES NOMINAL FIRST HOLE IN
  • Cotter Pin Hole Diameter: 0.141 INCHES NOMINAL FIRST HOLE IN
Applications
  • Applications requiring Steel Comp 4340 construction
General Description

The Stud,shouldered, cataloged under National Stock Number 5307-00-353-2532, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 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
NSN5307-00-353-2532
Primary Part Number11BMT239
Item NameStud,shouldered
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerMack Trucks Inc Parts Opn
StatusACTIVE
Hardness Rating42.0 ROCKWELL C NOMINAL
Nominal Thread Size1.000 INCHES STUD THREAD IN
Thread Length1.250 INCHES MINIMUM NUT THREAD IN
Thread Quantity Per Inch14 STUD THREAD
Thread Class3A NUT THREAD A
Distance From Cotter Pin Hole Centerline to Nut End0.250 INCHES NOMINAL FIRST HOLE IN
Cotter Pin Hole Diameter0.141 INCHES NOMINAL FIRST HOLE IN
Thread Class3A STUD THREAD A
Thread Quantity Per Inch14 NUT THREAD
Thread Length1.250 INCHES MINIMUM STUD THREAD IN
MaterialSTEEL COMP 4340
Thread DirectionRIGHT-HAND STUD THREAD
Thread Series DesignatorUNS STUD THREAD
Thread DirectionRIGHT-HAND NUT THREAD
Thread Series DesignatorUNS NUT THREAD
Material Document and ClassificationASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE
Nominal Thread Size1.000 INCHES NUT THREAD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-366-613124516-1 INTERCHANGEABLE
Cap,pipe
Hydraulics International, Inc. Dba Hydraulics International Inc
Cross-Reference Index
Part NumberManufacturer
2110K37 Kaitlin Corp (USA)
11BMT239 PRIMARY Mack Trucks Inc Parts Opn (USA)
245161 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
A1-2110V125 Meritor Heavy Vehicle Systems, Llc (USA)
2110K37 Corbitt Co Inc (USA)
11B7102 PRIMARY Napco International Llc Dba Napco International Inc (USA)
2110K37 Dart Truck Co (USA)
2110K37 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
2110K37 Koehring Co Lorain Div (USA)
414D4 Diamond Reo Truck Co (USA)
2110K37 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
BB27156 Diamond Reo Truck Co (USA)
Related Parts
4730-01-366-6131INTERCHANGEABLE
CAP,PIPE
24516-1

Frequently Asked Questions

What is NSN 5307-00-353-2532?

NSN 5307-00-353-2532 is a Stud,shouldered, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 5307 (No Item Name Available). Status: active.

What are the part numbers for NSN 5307-00-353-2532?

NSN 5307-00-353-2532 has 12 cross-referenced part numbers: 2110K37 (Kaitlin Corp), 11BMT239 (Mack Trucks Inc Parts Opn), 245161 (Brockway Motor Trucks Div of Mack Trucks Inc), A1-2110V125 (Meritor Heavy Vehicle Systems, Llc), 2110K37 (Corbitt Co Inc) and 7 more.

What NSN replaces 5307-00-353-2532?

There is 1 known substitute for 5307-00-353-2532: 4730-01-366-6131. Verify interchangeability with system specifications before substitution.

What are the specifications of 11BMT239?

Key specifications for 11BMT239: Hardness Rating: 42.0 ROCKWELL C NOMINAL; Nominal Thread Size: 1.000 INCHES STUD THREAD IN; Thread Length: 1.250 INCHES MINIMUM NUT THREAD IN; Thread Quantity Per Inch: 14 STUD THREAD. 18 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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