PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB69508Stud,shouldered and Stepped

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5307-00-521-8477 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-521-8477 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-521-8477. Primary manufacturer part number: SCB69508.
Features
  • Stud,shouldered and Stepped — FSC 5307
  • Thread Class: 2A NUT THREAD A
  • Thread Length: 0.375 INCHES NOMINAL STUD THREAD IN
  • Shoulder Length: 0.329 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
  • Thread Class: 3A STUD THREAD A
  • Thread Direction: RIGHT-HAND NUT THREAD
  • Material: STEEL COMP 1020
  • Thread Length: 0.238 INCHES NOMINAL NUT THREAD IN
Applications
  • Applications requiring Steel Comp 1020 construction
General Description

The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-521-8477, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 20 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5307-00-521-8477
Primary Part NumberSCB69508
Item NameStud,shouldered and Stepped
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Thread Class2A NUT THREAD A
Thread Length0.375 INCHES NOMINAL STUD THREAD IN
Shoulder Length0.329 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
Thread Class3A STUD THREAD A
Thread DirectionRIGHT-HAND NUT THREAD
MaterialSTEEL COMP 1020
Thread Length0.238 INCHES NOMINAL NUT THREAD IN
Thread DirectionRIGHT-HAND STUD THREAD
Surface Finish16.0 MICROINCHES SHANK
Surface Finish16.0 MICROINCHES WRENCHING FACILITY
Material Document and ClassificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
Nut End Shank Diameter0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Thread Series DesignatorUNF NUT THREAD
Stud End Shank Diameter0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Nominal Thread Size0.138 INCHES NUT THREAD IN
Thread Quantity Per Inch40 NUT THREAD
Stud End Shank Length0.166 INCHES NOMINAL IN
Distance Across Flats0.438 INCHES NOMINAL IN
Nut End Shank Length0.620 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
Style DesignatorSHOULDERED AND STEPPED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-154-904204240AB INTERCHANGEABLE
Seal,plain Encased
Cnh Industrial America Llc Dba Cnh America
5120-00-237-0977 INTERCHANGEABLE
Socket,socket Wrench
3930-00-238-00216276-4 INTERCHANGEABLE
Gland,packing
Landoll Company, Llc
3455-00-567-1462 INTERCHANGEABLE
File,rotary
5930-00-966-30602-7800-7 INTERCHANGEABLE
Switch,liquid Level
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5930-01-383-26067HA679 INTERCHANGEABLE
Boot,dust and Moisture Seal
Oshkosh Defense Llc
5210-01-521-986425R INTERCHANGEABLE
Contact Point Set,measuring Inst
L.s. Starrett Company (the) Div Tool Division
5305-01-549-379450153 INTERCHANGEABLE
Setscrew
American Apex Corporation
5360-01-734-565950153 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
SCB69508 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
50153 Kleinschmidt Inc (USA)
Related Parts
5330-00-154-9042INTERCHANGEABLE
SEAL,PLAIN ENCASED
04240AB
5120-00-237-0977INTERCHANGEABLE
SOCKET,SOCKET WRENCH
3930-00-238-0021INTERCHANGEABLE
GLAND,PACKING
6276-4
3455-00-567-1462INTERCHANGEABLE
FILE,ROTARY
5930-00-966-3060INTERCHANGEABLE
SWITCH,LIQUID LEVEL
2-7800-7
5930-01-383-2606INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
7HA679
5210-01-521-9864INTERCHANGEABLE
CONTACT POINT SET,MEASURING INST
25R
5305-01-549-3794INTERCHANGEABLE
SETSCREW
50153
5360-01-734-5659INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50153

Frequently Asked Questions

What is NSN 5307-00-521-8477?

NSN 5307-00-521-8477 is a Stud,shouldered and Stepped, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5307 (No Item Name Available). Status: active.

What are the part numbers for NSN 5307-00-521-8477?

NSN 5307-00-521-8477 has 2 cross-referenced part numbers: SCB69508 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 50153 (Kleinschmidt Inc).

What NSN replaces 5307-00-521-8477?

There are 9 known substitutes for 5307-00-521-8477: 5330-00-154-9042, 5120-00-237-0977, 3930-00-238-0021 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCB69508?

Key specifications for SCB69508: Thread Class: 2A NUT THREAD A; Thread Length: 0.375 INCHES NOMINAL STUD THREAD IN; Shoulder Length: 0.329 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN; Thread Class: 3A STUD THREAD A. 21 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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