PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-157418Shaft,shouldered

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3040-00-392-7906 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-392-7906 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-392-7906. Primary manufacturer part number: SM-B-157418.
Features
  • Shaft,shouldered — FSC 3040
  • Largest Step Diameter: 0.155 INCHES NOMINAL IN
  • End Similarity: IDENTICAL
  • Material: STEEL COMP 303
  • First End Style: CIRCULAR GROOVED
  • First End Groove Diameter: 0.1160 INCHES NOMINAL IN
  • FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT
  • First End Groove Width: 0.0480 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-392-7906, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-392-7906
Primary Part NumberSM-B-157418
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Largest Step Diameter0.155 INCHES NOMINAL IN
End SimilarityIDENTICAL
MaterialSTEEL COMP 303
First End StyleCIRCULAR GROOVED
First End Groove Diameter0.1160 INCHES NOMINAL IN
FSC Application DataTELETYPE AND FACSIMILE EQUIPMENT
First End Groove Width0.0480 INCHES NOMINAL IN
Step Quantity2
First End Diameter0.1550 INCHES NOMINAL IN
First End Distance From End to Groove0.062 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5133-00-228-1378 INTERCHANGEABLE
Drill,twist
1650-00-520-112953193 INTERCHANGEABLE
Filter Element,fluid
Pti Technologies Inc.
Cross-Reference Index
Part NumberManufacturer
53193 Kleinschmidt Inc (USA)
SM-B-157418 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5133-00-228-1378INTERCHANGEABLE
DRILL,TWIST
1650-00-520-1129INTERCHANGEABLE
FILTER ELEMENT,FLUID
53193

Frequently Asked Questions

What is NSN 3040-00-392-7906?

NSN 3040-00-392-7906 is a Shaft,shouldered, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-392-7906?

NSN 3040-00-392-7906 has 2 cross-referenced part numbers: 53193 (Kleinschmidt Inc), SM-B-157418 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 3040-00-392-7906?

There are 2 known substitutes for 3040-00-392-7906: 5133-00-228-1378, 1650-00-520-1129. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-157418?

Key specifications for SM-B-157418: Special Features: BOTH ENDS CHAMPERED 0.010 IN. AT 45.0 DEG; FINISH PER MIL-C-13924 IN; Largest Step Diameter: 0.155 INCHES NOMINAL IN; Overall Length: 1.250 INCHES NOMINAL IN; End Similarity: IDENTICAL. 13 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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