PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20158Stud,plain

Teledyne Industries Inc Teledyne Power Systems Div · NSN 5307-00-639-4225 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-639-4225 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-639-4225. Primary manufacturer part number: 20158.
Features
  • Stud,plain — FSC 5307
  • Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Surface Treatment: CADMIUM OVERALL
  • Thread Length: 0.560 INCHES MINIMUM NUT THREAD IN
  • Thread Quantity Per Inch: 24 NUT THREAD
  • Thread Class: 3A NUT THREAD A
  • Material: STEEL COMP 8740
  • Thread Direction: RIGHT-HAND STUD THREAD
Applications
  • Applications requiring Steel Comp 8740 construction
General Description

The Stud,plain, cataloged under National Stock Number 5307-00-639-4225, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Power Systems Div. Government technical data includes 16 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5307-00-639-4225
Primary Part Number20158
Item NameStud,plain
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Power Systems Div
StatusACTIVE
Hardness Rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Surface TreatmentCADMIUM OVERALL
Thread Length0.560 INCHES MINIMUM NUT THREAD IN
Thread Quantity Per Inch24 NUT THREAD
Thread Class3A NUT THREAD A
MaterialSTEEL COMP 8740
Thread DirectionRIGHT-HAND STUD THREAD
Thread Quantity Per Inch16 STUD THREAD
Thread Pitch Diameters+0.3332 TO 0.3348 INCHES STUD THREAD IN
Thread Length0.680 INCHES MINIMUM STUD THREAD IN
Nominal Thread Size0.375 INCHES NUT THREAD IN
Thread DirectionRIGHT-HAND NUT THREAD
Thread Series DesignatorUNF NUT THREAD
Thread Series DesignatorUNS STUD THREAD
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
Nominal Thread Size0.375 INCHES STUD THREAD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1660-00-013-129820158 INTERCHANGEABLE
Post
Hamilton Sundstrand Corporation Dba Collins Aerospace
5133-00-228-1400 INTERCHANGEABLE
Drill,twist
5133-00-266-9466 INTERCHANGEABLE
Drill,twist
6130-00-450-7274209-075-289-1 INTERCHANGEABLE
Inverter,power,static
Bell Textron Inc
4820-01-043-9707 INTERCHANGEABLE
Valve,regulating,fluid Pressure
5961-01-098-733220158 INTERCHANGEABLE
Transistor
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
6150-01-131-4856 INTERCHANGEABLE
Housing,electrical Rotating Equi
6625-01-150-810220158 INTERCHANGEABLE
Ammeter
Hamilton Sundstrand Corporation
5310-01-469-7223A10025.011.107 INTERCHANGEABLE
Nut,plain,hexagon
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5310-01-469-7225A10025.002.107 INTERCHANGEABLE
Nut,plain,hexagon
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Cross-Reference Index
Part NumberManufacturer
20158 Teledyne Industries Inc Teledyne Power Systems Div (USA)
Related Parts
1660-00-013-1298INTERCHANGEABLE
POST
20158
5133-00-228-1400INTERCHANGEABLE
DRILL,TWIST
5133-00-266-9466INTERCHANGEABLE
DRILL,TWIST
6130-00-450-7274INTERCHANGEABLE
INVERTER,POWER,STATIC
209-075-289-1
4820-01-043-9707INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
5961-01-098-7332INTERCHANGEABLE
TRANSISTOR
20158
6150-01-131-4856INTERCHANGEABLE
HOUSING,ELECTRICAL ROTATING EQUI
6625-01-150-8102INTERCHANGEABLE
AMMETER
20158
5310-01-469-7223INTERCHANGEABLE
NUT,PLAIN,HEXAGON
A10025.011.107
5310-01-469-7225INTERCHANGEABLE
NUT,PLAIN,HEXAGON
A10025.002.107
5305-01-470-0424INTERCHANGEABLE
SCREW,CLOSE TOLERANCE
A11231.003.334
5307-01-470-0439INTERCHANGEABLE
STUD,PLAIN
A10073.002.111

Frequently Asked Questions

What is NSN 5307-00-639-4225?

NSN 5307-00-639-4225 is a Stud,plain, manufactured by Teledyne Industries Inc Teledyne Power Systems Div, classified under FSC 5307 (No Item Name Available). Status: active.

What are the part numbers for NSN 5307-00-639-4225?

NSN 5307-00-639-4225 has 1 cross-referenced part number: 20158 (Teledyne Industries Inc Teledyne Power Systems Div).

What NSN replaces 5307-00-639-4225?

There are 12 known substitutes for 5307-00-639-4225: 1660-00-013-1298, 5133-00-228-1400, 5133-00-266-9466 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20158?

Key specifications for 20158: Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Surface Treatment: CADMIUM OVERALL; Thread Length: 0.560 INCHES MINIMUM NUT THREAD IN; Thread Quantity Per Inch: 24 NUT THREAD. 17 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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