PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123381Shaft,shouldered

At and T Corp · NSN 3040-00-392-1927 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-392-1927 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-392-1927. Primary manufacturer part number: 123381.
Features
  • Shaft,shouldered — FSC 3040
  • First End Diameter: 0.3125 INCHES NOMINAL IN
  • First End Style: EXTERNAL THREADED
  • End Similarity: NOT IDENTICAL
  • Second End Diameter: 0.3745 INCHES NOMINAL IN
  • Material: STEEL
  • FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT
  • 3 verified cross-references
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-392-1927, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is At and T Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN3040-00-392-1927
Primary Part Number123381
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerAt and T Corp
StatusACTIVE
First End Diameter0.3125 INCHES NOMINAL IN
First End StyleEXTERNAL THREADED
End SimilarityNOT IDENTICAL
Second End Diameter0.3745 INCHES NOMINAL IN
MaterialSTEEL
FSC Application DataTELETYPE AND FACSIMILE EQUIPMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-00-136-974307-116422 INTERCHANGEABLE
Bearing,washer,thrust
Tvh Parts Co.
4730-01-297-5274803-1385828PC6 INTERCHANGEABLE
Web,nozzle
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
123381 At and T Corp (USA)
123381 American Telephone and Telegraph Co (USA)
123381 Lucent Technologies Inc Corporate Headquarters (USA)
Related Parts
3120-00-136-9743INTERCHANGEABLE
BEARING,WASHER,THRUST
07-116422
4730-01-297-5274INTERCHANGEABLE
WEB,NOZZLE
803-1385828PC6

Frequently Asked Questions

What is NSN 3040-00-392-1927?

NSN 3040-00-392-1927 is a Shaft,shouldered, manufactured by At and T Corp, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-392-1927?

NSN 3040-00-392-1927 has 3 cross-referenced part numbers: 123381 (At and T Corp), 123381 (American Telephone and Telegraph Co), 123381 (Lucent Technologies Inc Corporate Headquarters).

What NSN replaces 3040-00-392-1927?

There are 2 known substitutes for 3040-00-392-1927: 3120-00-136-9743, 4730-01-297-5274. Verify interchangeability with system specifications before substitution.

What are the specifications of 123381?

Key specifications for 123381: First End Diameter: 0.3125 INCHES NOMINAL IN; First End Style: EXTERNAL THREADED; Overall Length: 5.656 INCHES NOMINAL IN; End Similarity: NOT IDENTICAL. 7 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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