PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40121Shaft,shouldered

Control Enterprises Inc Dba C.e.i. · NSN 3040-01-347-2831 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-347-2831 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-347-2831. Primary manufacturer part number: 40121.
Features
  • Shaft,shouldered — FSC 3040
  • End Similarity: NOT IDENTICAL
  • First End Style: PLAIN
  • Step Quantity: 3
  • 1 verified cross-reference
  • Primary manufacturer: Control Enterprises Inc Dba C.e.i.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-347-2831, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Control Enterprises Inc Dba C.e.i.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN3040-01-347-2831
Primary Part Number40121
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerControl Enterprises Inc Dba C.e.i.
StatusACTIVE
End SimilarityNOT IDENTICAL
First End StylePLAIN
Step Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5110-00-156-0124 INTERCHANGEABLE
File,hand
3455-00-194-051510000 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
4510-00-595-092340121 INTERCHANGEABLE
Bulb,flush,water Closet Tank
Danco Inc
3120-00-661-780740121 INTERCHANGEABLE
Bushing,sleeve
Northrop Grumman Systems Corporation Div Marine Systems
5305-00-807-644640121 INTERCHANGEABLE
Screw,wood
Hillman Group, Inc., the
5330-00-998-3230648195 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
4210-01-080-1457 INTERCHANGEABLE
Coupling,hose,fire Fighting
6685-01-155-3061 INTERCHANGEABLE
Transmitter,temperature,electric
5995-01-309-450840121 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Bell Intl Inc
8465-01-565-400240121 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
40121 PRIMARY Control Enterprises Inc Dba C.e.i. (USA)
Related Parts
5110-00-156-0124INTERCHANGEABLE
FILE,HAND
3455-00-194-0515INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10000
4510-00-595-0923INTERCHANGEABLE
BULB,FLUSH,WATER CLOSET TANK
40121
3120-00-661-7807INTERCHANGEABLE
BUSHING,SLEEVE
40121
5305-00-807-6446INTERCHANGEABLE
SCREW,WOOD
40121
5330-00-998-3230INTERCHANGEABLE
GASKET
648195
4210-01-080-1457INTERCHANGEABLE
COUPLING,HOSE,FIRE FIGHTING
6685-01-155-3061INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC
5995-01-309-4508INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
40121
8465-01-565-4002INTERCHANGEABLE
HYDRATION SYSTEM
40121
5133-01-644-5808INTERCHANGEABLE
DRILL,TWIST
40121
5306-01-660-4300INTERCHANGEABLE
BOLT,MACHINE
4-0121

Frequently Asked Questions

What is NSN 3040-01-347-2831?

NSN 3040-01-347-2831 is a Shaft,shouldered, manufactured by Control Enterprises Inc Dba C.e.i., classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-347-2831?

NSN 3040-01-347-2831 has 1 cross-referenced part number: 40121 (Control Enterprises Inc Dba C.e.i.).

What NSN replaces 3040-01-347-2831?

There are 12 known substitutes for 3040-01-347-2831: 5110-00-156-0124, 3455-00-194-0515, 4510-00-595-0923 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40121?

Key specifications for 40121: End Similarity: NOT IDENTICAL; First End Style: PLAIN; Step Quantity: 3. 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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