PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3126Gear,internal

DP Manufacturing Inc. · NSN 3020-01-221-0146 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-221-0146 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-221-0146. Primary manufacturer part number: 3126.
Features
  • Gear,internal — FSC 3020
  • 4 verified cross-references
  • Primary manufacturer: DP Manufacturing Inc.
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,internal, cataloged under National Stock Number 3020-01-221-0146, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is DP Manufacturing Inc.. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,internal
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersOshkosh Defense Llc (CAGE 75Q65); DP Manufacturing Inc. (CAGE 0EJ14); Oshkosh Corp (CAGE 45152); DP Mfg Inc (CAGE 58864)
Technical Specifications
ParameterValue
NSN3020-01-221-0146
Primary Part Number3126
Item NameGear,internal
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDP Manufacturing Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-184-86523717 INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
5935-00-238-02923126 INTERCHANGEABLE
Connector,plug,electrical
Abb Installation Products Inc
5985-00-243-0432SC-C-35370 INTERCHANGEABLE
Antenna
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5905-00-284-3535 INTERCHANGEABLE
Resistor,fixed,composition
6750-00-322-93093126 INTERCHANGEABLE
Plate,photographic
Horizons Incorporated Div Imaging Systems Group
5930-00-548-6671312-6 INTERCHANGEABLE
Switch,rotary
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
3110-00-554-3291 INTERCHANGEABLE
Bearing,ball,annular
3110-00-838-13703126 INTERCHANGEABLE
Bearing,ball,annular
Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings
5305-00-887-154511363 INTERCHANGEABLE
Screw,cap,hexagon Head
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6930-01-042-67692037237-13 INTERCHANGEABLE
Indicator Subassembly
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
2AN475 Oshkosh Defense Llc (USA)
3126 PRIMARY DP Manufacturing Inc. (USA)
2AN475 Oshkosh Corp (USA)
3126 DP Mfg Inc (USA)
Related Parts
5120-00-184-8652INTERCHANGEABLE
WRENCH,OPEN END
3717
5935-00-238-0292INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3126
5985-00-243-0432INTERCHANGEABLE
ANTENNA
SC-C-35370
5905-00-284-3535INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
6750-00-322-9309INTERCHANGEABLE
PLATE,PHOTOGRAPHIC
3126
5930-00-548-6671INTERCHANGEABLE
SWITCH,ROTARY
312-6
3110-00-554-3291INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-838-1370INTERCHANGEABLE
BEARING,BALL,ANNULAR
3126
5305-00-887-1545INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
11363
6930-01-042-6769INTERCHANGEABLE
INDICATOR SUBASSEMBLY
2037237-13
5950-01-135-2057INTERCHANGEABLE
REACTOR
13058012
5930-01-278-2468INTERCHANGEABLE
SWITCH,ROTARY
3126

Frequently Asked Questions

What is NSN 3020-01-221-0146?

NSN 3020-01-221-0146 is a Gear,internal, manufactured by DP Manufacturing Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-221-0146?

NSN 3020-01-221-0146 has 4 cross-referenced part numbers: 2AN475 (Oshkosh Defense Llc), 3126 (DP Manufacturing Inc.), 2AN475 (Oshkosh Corp), 3126 (DP Mfg Inc).

What NSN replaces 3020-01-221-0146?

There are 12 known substitutes for 3020-01-221-0146: 5120-00-184-8652, 5935-00-238-0292, 5985-00-243-0432 and 9 more. Verify interchangeability with system specifications before substitution.

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