PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50004-2Shaft,shouldered

Morpac Industries, Inc Div Actuator · NSN 3040-01-399-0912 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-399-0912 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-399-0912. Primary manufacturer part number: 50004-2.
Features
  • Shaft,shouldered — FSC 3040
  • Largest Step Diameter: 0.748 INCHES MAXIMUM IN
  • Second End Diameter: 0.4840 INCHES NOMINAL IN
  • Step Quantity: 10
  • Material: STEEL COMP 17-4PH
  • Second End Internal Thread Length: 0.380 INCHES NOMINAL IN
  • Second End Keyway Width: 0.1240 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
  • Second End Distance From Keyway Center to End: 0.562 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 17-4ph construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-399-0912, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Morpac Industries, Inc Div Actuator. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-399-0912
Primary Part Number50004-2
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerMorpac Industries, Inc Div Actuator
StatusACTIVE
Largest Step Diameter0.748 INCHES MAXIMUM IN
Second End Diameter0.4840 INCHES NOMINAL IN
Step Quantity10
MaterialSTEEL COMP 17-4PH
Second End Internal Thread Length0.380 INCHES NOMINAL IN
Second End Keyway Width0.1240 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
Second End Distance From Keyway Center to End0.562 INCHES NOMINAL IN
External Keyway Length0.2500 INCHES NOMINAL SECOND END IN
First End Diameter0.4840 INCHES NOMINAL IN
First End StylePLAIN
Second End StyleWOODRUFF KEYWAY AND INTERNALLY THREADED
End SimilarityNOT IDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-272-9928338DB INTERCHANGEABLE
Ammeter
Stewart-Warner Corporation
9505-00-483-621950004 INTERCHANGEABLE
Wire-Cyl Head Lock-
Hamilton Sundstrand Corporation Dba Collins Aerospace
3120-00-662-744650004 INTERCHANGEABLE
Bushing,sleeve
Parker Hannifin Corporation Div Hydraulic Systems Division
5990-00-961-60282324703 INTERCHANGEABLE
Resolver,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-01-039-44435000-4 INTERCHANGEABLE
Clamp,hose,special-Shaped
L3harris Technologies, Inc. Div Space and Airborne Systems
6640-01-060-9671 INTERCHANGEABLE
Cabinet,biological Safety
5950-01-106-5006500042 INTERCHANGEABLE
Choke
Odetics Inc Precision Time Div
5995-01-279-181850004 INTERCHANGEABLE
Cable Assembly,printed,flexible
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5315-01-330-28635000-42 INTERCHANGEABLE
Pin,spring
Pdi Ground Support Systems, Inc.
5340-01-350-056750004 INTERCHANGEABLE
Clamp,loop
Hf Scientific Inc.
Cross-Reference Index
Part NumberManufacturer
50004 Morpac Industries, Inc Div Actuator (USA)
50004 DASH 2 Morpac Industries, Inc Div Actuator (USA)
40074 ITEM NO 7 Morpac Industries, Inc Div Actuator (USA)
40074 Morpac Industries, Inc Div Actuator (USA)
50004-2 PRIMARY Morpac Industries, Inc Div Actuator (USA)
Related Parts
6625-00-272-9928INTERCHANGEABLE
AMMETER
338DB
9505-00-483-6219INTERCHANGEABLE
WIRE-CYL HEAD LOCK-
50004
3120-00-662-7446INTERCHANGEABLE
BUSHING,SLEEVE
50004
5990-00-961-6028INTERCHANGEABLE
RESOLVER,ELECTRICAL
2324703
4730-01-039-4443INTERCHANGEABLE
CLAMP,HOSE,SPECIAL-SHAPED
5000-4
6640-01-060-9671INTERCHANGEABLE
CABINET,BIOLOGICAL SAFETY
5950-01-106-5006INTERCHANGEABLE
CHOKE
500042
5995-01-279-1818INTERCHANGEABLE
CABLE ASSEMBLY,PRINTED,FLEXIBLE
50004
5315-01-330-2863INTERCHANGEABLE
PIN,SPRING
5000-42
5340-01-350-0567INTERCHANGEABLE
CLAMP,LOOP
50004
5340-01-417-2448INTERCHANGEABLE
CLAMP,SYNCHRO
5000-4
6530-01-477-9448INTERCHANGEABLE
POSITIONING BLOCK,HEAD
50-0042

Frequently Asked Questions

What is NSN 3040-01-399-0912?

NSN 3040-01-399-0912 is a Shaft,shouldered, manufactured by Morpac Industries, Inc Div Actuator, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-399-0912?

NSN 3040-01-399-0912 has 5 cross-referenced part numbers: 50004 (Morpac Industries, Inc Div Actuator), 50004 DASH 2 (Morpac Industries, Inc Div Actuator), 40074 ITEM NO 7 (Morpac Industries, Inc Div Actuator), 40074 (Morpac Industries, Inc Div Actuator), 50004-2 (Morpac Industries, Inc Div Actuator).

What NSN replaces 3040-01-399-0912?

There are 12 known substitutes for 3040-01-399-0912: 6625-00-272-9928, 9505-00-483-6219, 3120-00-662-7446 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50004-2?

Key specifications for 50004-2: Largest Step Diameter: 0.748 INCHES MAXIMUM IN; Second End Diameter: 0.4840 INCHES NOMINAL IN; Special Features: FIRST END HAS AMERICAN STANDARD DOUBLE LEAD WORM; Step Quantity: 10. 14 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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