PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB148612Stud,shouldered and Stepped

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5307-00-639-3317 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-639-3317 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-639-3317. Primary manufacturer part number: SMB148612.
Features
  • Stud,shouldered and Stepped — FSC 5307
  • Thread Direction: RIGHT-HAND STUD THREAD
  • Nominal Thread Size: 0.164 INCHES STUD THREAD IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) STUD THREAD
  • Thread Class: 2A NUT THREAD A
  • Distance Across Flats: 0.312 INCHES NOMINAL IN
  • Thread Length: 0.188 INCHES MINIMUM NUT THREAD IN
  • Material: STEEL COMP 303
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-639-3317, 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 21 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5307-00-639-3317
Primary Part NumberSMB148612
Item NameStud,shouldered and Stepped
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Thread DirectionRIGHT-HAND STUD THREAD
Nominal Thread Size0.164 INCHES STUD THREAD IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
Thread Class2A NUT THREAD A
Distance Across Flats0.312 INCHES NOMINAL IN
Thread Length0.188 INCHES MINIMUM NUT THREAD IN
MaterialSTEEL COMP 303
Hardness Rating85.0 ROCKWELL C NOMINAL
Nominal Thread Size0.138 INCHES NUT THREAD IN
Material Document and ClassificationAISI303 ASSN STD SINGLE MATERIAL RESPONSE
Thread DirectionRIGHT-HAND NUT THREAD
Surface TreatmentPASSIVATE OVERALL
Thread Quantity Per Inch40 NUT THREAD
Nut End Shank Diameter0.218 INCHES NOMINAL IN
Thread Class2A STUD THREAD A
Nut End Shank Length0.125 INCHES NOMINAL IN
Thread Quantity Per Inch32 STUD THREAD
Thread Length0.250 INCHES MINIMUM STUD THREAD IN
Style DesignatorSHOULDERED AND STEPPED
Shoulder Length0.062 INCHES NOMINAL IN
Thread Series DesignatorUNF NUT THREAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6625-00-007-66975311-1 INTERCHANGEABLE
Counter,electronic,digital Reado
Viasys Respiratory Care Inc. Dba Biosys Healthcare
5133-00-189-9185 INTERCHANGEABLE
Drill,twist
3455-00-257-524114000 INTERCHANGEABLE
Cutter,milling,concave
Niagara Cutter Inc
3950-01-255-7823 INTERCHANGEABLE
Hose and Cable Assembly,hoist
Cross-Reference Index
Part NumberManufacturer
SMB148612 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
53111 Kleinschmidt Inc (USA)
Related Parts
6625-00-007-6697INTERCHANGEABLE
COUNTER,ELECTRONIC,DIGITAL READO
5311-1
5133-00-189-9185INTERCHANGEABLE
DRILL,TWIST
3455-00-257-5241INTERCHANGEABLE
CUTTER,MILLING,CONCAVE
14000
3950-01-255-7823INTERCHANGEABLE
HOSE AND CABLE ASSEMBLY,HOIST

Frequently Asked Questions

What is NSN 5307-00-639-3317?

NSN 5307-00-639-3317 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 5307-00-639-3317?

NSN 5307-00-639-3317 has 2 cross-referenced part numbers: SMB148612 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 53111 (Kleinschmidt Inc).

What NSN replaces 5307-00-639-3317?

There are 4 known substitutes for 5307-00-639-3317: 6625-00-007-6697, 5133-00-189-9185, 3455-00-257-5241 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB148612?

Key specifications for SMB148612: Thread Direction: RIGHT-HAND STUD THREAD; Nominal Thread Size: 0.164 INCHES STUD THREAD IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) STUD THREAD; Thread Class: 2A NUT THREAD A. 22 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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