PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-7421Shaft,shouldered

Oberdorfer Foundries Inc · NSN 3040-01-396-5090 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-396-5090 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-396-5090. Primary manufacturer part number: A-7421.
Features
  • Shaft,shouldered — FSC 3040
  • Material: STEEL CORROSION RESISTING
  • 2 verified cross-references
  • Primary manufacturer: Oberdorfer Foundries Inc
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-396-5090, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Oberdorfer Foundries Inc. Government technical data includes 1 verified specification, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-396-5090
Primary Part NumberA-7421
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerOberdorfer Foundries Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5815-00-042-8786 INTERCHANGEABLE
Teletypewriter Subassembly
5330-00-253-2469 INTERCHANGEABLE
Gasket
4410-00-312-622438116 INTERCHANGEABLE
Insert,valve Disk
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4310-00-424-5579A7-42-1 INTERCHANGEABLE
Connecting Rod
Dresser Industries Inc Leroi Div
5930-01-079-3244600.7421 INTERCHANGEABLE
Switch,rotary
Tech Logistics, Inc.
3120-01-124-64616-38-116 INTERCHANGEABLE
Bearing,washer,thrust
Stewart & Stevenson Power Products Llc
4720-01-253-3410GH793-16-00320 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
2920-01-371-101538-116 INTERCHANGEABLE
Armature,generator
Georator Llc
5120-01-580-7890 INTERCHANGEABLE
Socket,socket Wrench
6210-01-644-877838116 INTERCHANGEABLE
Light Assembly,indicator
Rsl Fiber Systems Llc
Cross-Reference Index
Part NumberManufacturer
38116 Exstar International Corporation (USA)
A-7421 PRIMARY Oberdorfer Foundries Inc (USA)
Related Parts
5815-00-042-8786INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5330-00-253-2469INTERCHANGEABLE
GASKET
4410-00-312-6224INTERCHANGEABLE
INSERT,VALVE DISK
38116
4310-00-424-5579INTERCHANGEABLE
CONNECTING ROD
A7-42-1
5930-01-079-3244INTERCHANGEABLE
SWITCH,ROTARY
600.7421
3120-01-124-6461INTERCHANGEABLE
BEARING,WASHER,THRUST
6-38-116
4720-01-253-3410INTERCHANGEABLE
HOSE,NONMETALLIC
GH793-16-00320
2920-01-371-1015INTERCHANGEABLE
ARMATURE,GENERATOR
38-116
5120-01-580-7890INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6210-01-644-8778INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
38116
1560-01-724-6789INTERCHANGEABLE
SUPPORT,STRUCTURAL COMPONENT,AIR
38116

Frequently Asked Questions

What is NSN 3040-01-396-5090?

NSN 3040-01-396-5090 is a Shaft,shouldered, manufactured by Oberdorfer Foundries Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-396-5090?

NSN 3040-01-396-5090 has 2 cross-referenced part numbers: 38116 (Exstar International Corporation), A-7421 (Oberdorfer Foundries Inc).

What NSN replaces 3040-01-396-5090?

There are 11 known substitutes for 3040-01-396-5090: 5815-00-042-8786, 5330-00-253-2469, 4410-00-312-6224 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-7421?

Key specifications for A-7421: Material: STEEL CORROSION RESISTING; End Item Identification: PUMP,EXSTAR INTERNATIONAL CORP,MODEL 815; LOGISTICS SUPPORT VESSEL. 2 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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