PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-3942CGear Assembly,speed Decreaser

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 3010-01-225-2484 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-225-2484 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-225-2484. Primary manufacturer part number: E-3942C.
Features
  • Gear Assembly,speed Decreaser — FSC 3010
  • 4 verified cross-references
  • Primary manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-225-2484, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear Assembly,speed Decreaser
FSC / FSG3010 — No Item Name Available (FSG 30)
ManufacturersDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524)
Technical Specifications
ParameterValue
NSN3010-01-225-2484
Primary Part NumberE-3942C
Item NameGear Assembly,speed Decreaser
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-287-5617170C-N INTERCHANGEABLE
Cock,plug
Anderson Brass Co
4920-00-442-0343E4393 INTERCHANGEABLE
Cable and Conduit a
Dcx-Chol Enterprises, Inc.
3020-01-061-0404919934 INTERCHANGEABLE
Gear,spur
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
3040-01-061-0481915134 INTERCHANGEABLE
Gearshaft,helical
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
3010-01-069-1276E-4160PC110 INTERCHANGEABLE
Gear Assembly,speed Decreaser
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
3010-01-184-4659E-3942C DFAR INTERCHANGEABLE
Gear Assembly,speed Decreaser
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
3010-01-184-4660E3942-NHRB-VERT-5.7 TO 1 INTERCHANGEABLE
Gear Assembly,speed Decreaser
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4320-01-187-1169E-4393 INTERCHANGEABLE
Pump Unit,rotary
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
3040-01-188-8580704021 INTERCHANGEABLE
Shaft,shouldered
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4320-01-190-7096E-4027F INTERCHANGEABLE
Pump,rotary
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Cross-Reference Index
Part NumberManufacturer
E-3942 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-4393 PIECE 110 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-3942C PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-4393 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
4820-00-287-5617INTERCHANGEABLE
COCK,PLUG
170C-N
4920-00-442-0343INTERCHANGEABLE
CABLE AND CONDUIT A
E4393
3020-01-061-0404INTERCHANGEABLE
GEAR,SPUR
919934
3040-01-061-0481INTERCHANGEABLE
GEARSHAFT,HELICAL
915134
3010-01-069-1276INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
E-4160PC110
3010-01-184-4659INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
E-3942C DFAR
3010-01-184-4660INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
E3942-NHRB-VERT-5.7 TO 1
4320-01-187-1169INTERCHANGEABLE
PUMP UNIT,ROTARY
E-4393
3040-01-188-8580INTERCHANGEABLE
SHAFT,SHOULDERED
704021
4320-01-190-7096INTERCHANGEABLE
PUMP,ROTARY
E-4027F

Frequently Asked Questions

What is NSN 3010-01-225-2484?

NSN 3010-01-225-2484 is a Gear Assembly,speed Decreaser, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-225-2484?

NSN 3010-01-225-2484 has 4 cross-referenced part numbers: E-3942 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4393 PIECE 110 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-3942C (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4393 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 3010-01-225-2484?

There are 10 known substitutes for 3010-01-225-2484: 4820-00-287-5617, 4920-00-442-0343, 3020-01-061-0404 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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