PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4448341Shaft,shouldered

The Boeing Company · NSN 3040-00-546-0942 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-546-0942 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-546-0942. Primary manufacturer part number: 4448341.
Features
  • Shaft,shouldered — FSC 3040
  • Criticality Code Justification: FEAT
  • 3 verified cross-references
  • Primary manufacturer: The Boeing Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-546-0942, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is The Boeing Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-546-0942
Primary Part Number4448341
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerThe Boeing Company
StatusACTIVE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-021-80043919 INTERCHANGEABLE
Transformer,radio Frequency
Pulse Engineering Inc
5910-00-101-5146 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5355-00-355-95093919 INTERCHANGEABLE
Knob
Control Products Corporation
4440-00-421-95803919-7 INTERCHANGEABLE
Piston,dehydrator
Howell Laboratories Inc Dba Howell Laboratories Inc
5950-00-645-1634710862 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6240-00-946-9637 INTERCHANGEABLE
Lamp,incandescent
6930-01-042-6739C3919-5 INTERCHANGEABLE
Integrated Circuit
Crown Audio, Inc. Dba Crown International
5940-01-064-1564913122-B INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
3040-01-085-26095149039 INTERCHANGEABLE
Collar,shaft
Rolls-Royce Solutions America Inc
6520-01-180-3237 INTERCHANGEABLE
Crown,dental,temporary
Cross-Reference Index
Part NumberManufacturer
3919 Hardman Aircraft Inc (USA)
4448341 PRIMARY The Boeing Company (USA)
4448341 The Boeing Company (USA)
Related Parts
5950-00-021-8004INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
3919
5910-00-101-5146INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5355-00-355-9509INTERCHANGEABLE
KNOB
3919
4440-00-421-9580INTERCHANGEABLE
PISTON,DEHYDRATOR
3919-7
5950-00-645-1634INTERCHANGEABLE
TRANSFORMER,POWER
710862
6240-00-946-9637INTERCHANGEABLE
LAMP,INCANDESCENT
6930-01-042-6739INTERCHANGEABLE
INTEGRATED CIRCUIT
C3919-5
5940-01-064-1564INTERCHANGEABLE
TERMINAL,STUD
913122-B
3040-01-085-2609INTERCHANGEABLE
COLLAR,SHAFT
5149039
6520-01-180-3237INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
6515-01-552-0229INTERCHANGEABLE
PLUG,EAR
370-1021

Frequently Asked Questions

What is NSN 3040-00-546-0942?

NSN 3040-00-546-0942 is a Shaft,shouldered, manufactured by The Boeing Company, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-546-0942?

NSN 3040-00-546-0942 has 3 cross-referenced part numbers: 3919 (Hardman Aircraft Inc), 4448341 (The Boeing Company), 4448341 (The Boeing Company).

What NSN replaces 3040-00-546-0942?

There are 11 known substitutes for 3040-00-546-0942: 5950-00-021-8004, 5910-00-101-5146, 5355-00-355-9509 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4448341?

Key specifications for 4448341: Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL; End Item Identification: AIRCRAFT, TA-4J. 3 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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