PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20703Stud,plain

Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp · NSN 5307-00-261-0378 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-261-0378 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-261-0378. Primary manufacturer part number: 20703.
Features
  • Stud,plain — FSC 5307
  • Thread Direction: RIGHT-HAND STUD THREAD
  • Thread Direction: RIGHT-HAND NUT THREAD
  • Nominal Thread Size: 0.625 INCHES STUD THREAD IN
  • Thread Length: 0.938 INCHES MAXIMUM STUD THREAD IN
  • Material: STEEL COMP 1035
  • Thread Quantity Per Inch: 11 NUT THREAD
  • Thread Length: 1.250 INCHES MINIMUM NUT THREAD IN
Applications
  • Applications requiring Steel Comp 1035 construction
General Description

The Stud,plain, cataloged under National Stock Number 5307-00-261-0378, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5307-00-261-0378
Primary Part Number20703
Item NameStud,plain
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerWestinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
StatusACTIVE
Thread DirectionRIGHT-HAND STUD THREAD
Thread DirectionRIGHT-HAND NUT THREAD
Nominal Thread Size0.625 INCHES STUD THREAD IN
Thread Length0.938 INCHES MAXIMUM STUD THREAD IN
MaterialSTEEL COMP 1035
Thread Quantity Per Inch11 NUT THREAD
Thread Length1.250 INCHES MINIMUM NUT THREAD IN
Thread Quantity Per Inch11 STUD THREAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
Thread Class2A NUT THREAD A
Thread Class5A STUD THREAD A
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
Nominal Thread Size0.625 INCHES NUT THREAD IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5133-00-189-9254 INTERCHANGEABLE
Drill,twist
5940-00-451-6228687-078 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
4320-00-480-249520703 INTERCHANGEABLE
Seal Ring,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5998-01-106-231520703 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div Communication Systems-West
4720-01-164-625620703 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4720-01-365-699220703 INTERCHANGEABLE
Hose Assembly,nonmetallic
White L B Co
3120-01-523-915620703 INTERCHANGEABLE
Bushing,sleeve
Silver King Refrigeration Inc.
5310-01-707-500620-703 INTERCHANGEABLE
Washer,flat
Rix Industries
Cross-Reference Index
Part NumberManufacturer
20703 PRIMARY Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (USA)
Related Parts
5133-00-189-9254INTERCHANGEABLE
DRILL,TWIST
5940-00-451-6228INTERCHANGEABLE
TERMINAL,LUG
687-078
4320-00-480-2495INTERCHANGEABLE
SEAL RING,PUMP
20703
5998-01-106-2315INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
20703
4720-01-164-6256INTERCHANGEABLE
HOSE,PREFORMED
20703
4720-01-365-6992INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
20703
3120-01-523-9156INTERCHANGEABLE
BUSHING,SLEEVE
20703
5310-01-707-5006INTERCHANGEABLE
WASHER,FLAT
20-703

Frequently Asked Questions

What is NSN 5307-00-261-0378?

NSN 5307-00-261-0378 is a Stud,plain, manufactured by Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp, classified under FSC 5307 (No Item Name Available). Status: active.

What are the part numbers for NSN 5307-00-261-0378?

NSN 5307-00-261-0378 has 1 cross-referenced part number: 20703 (Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp).

What NSN replaces 5307-00-261-0378?

There are 8 known substitutes for 5307-00-261-0378: 5133-00-189-9254, 5940-00-451-6228, 4320-00-480-2495 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20703?

Key specifications for 20703: Thread Direction: RIGHT-HAND STUD THREAD; Thread Direction: RIGHT-HAND NUT THREAD; Nominal Thread Size: 0.625 INCHES STUD THREAD IN; Thread Length: 0.938 INCHES MAXIMUM STUD THREAD IN. 15 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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