PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121950Drive Cover,impeller

Dressta North America Ltd · NSN 2520-00-400-6453 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-400-6453 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-400-6453. Primary manufacturer part number: 121950.
Features
  • Drive Cover,impeller — FSC 2520
  • General Characteristics Item Description: 4.812 IN.OUTSIDE DIA,2.812 IN.HIGH,CLUTCH TOOTH DATA 36 TEETH,8 PITCH DIA,20 DEG PRESSURE ANGLE,TWENTY FOUR 0.406 IN.DIA MTG HOLES EQUALLY SPACED,AND TWO THD HOLES 3/8-16,UNC,3B EQUALLY SPACED ON 14.062 IN.DIA BOLT CIRCLE IN
  • 7 verified cross-references
  • Primary manufacturer: Dressta North America Ltd
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Drive Cover,impeller, cataloged under National Stock Number 2520-00-400-6453, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Dressta North America Ltd. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-400-6453
Primary Part Number121950
Item NameDrive Cover,impeller
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerDressta North America Ltd
StatusACTIVE
General Characteristics Item Description4.812 IN.OUTSIDE DIA,2.812 IN.HIGH,CLUTCH TOOTH DATA 36 TEETH,8 PITCH DIA,20 DEG PRESSURE ANGLE,TWENTY FOUR 0.406 IN.DIA MTG HOLES EQUALLY SPACED,AND TWO THD HOLES 3/8-16,UNC,3B EQUALLY SPACED ON 14.062 IN.DIA BOLT CIRCLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5999-01-100-721521492-2 INTERCHANGEABLE
Bracket,heat Sink
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5998-01-540-3707220 494 INTERCHANGEABLE
Circuit Card Assembly
Miller Electric Mfg. Llc
6150-01-544-4339214922 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
121950 PRIMARY Dressta North America Ltd (USA)
121950 Komatsu America Corporation (USA)
D-121950 Komatsu America Corporation (USA)
214922 Clark Equipment Co Transmission Div (USA)
214922 Clark Equipment Co (USA)
D72583 Komatsu America Corporation (USA)
214922 Dana Off Highway Products, Llc (USA)
Related Parts
5999-01-100-7215INTERCHANGEABLE
BRACKET,HEAT SINK
21492-2
5998-01-540-3707INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
220 494
6150-01-544-4339INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
214922

Frequently Asked Questions

What is NSN 2520-00-400-6453?

NSN 2520-00-400-6453 is a Drive Cover,impeller, manufactured by Dressta North America Ltd, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-400-6453?

NSN 2520-00-400-6453 has 7 cross-referenced part numbers: 121950 (Dressta North America Ltd), 121950 (Komatsu America Corporation), D-121950 (Komatsu America Corporation), 214922 (Clark Equipment Co Transmission Div), 214922 (Clark Equipment Co) and 2 more.

What NSN replaces 2520-00-400-6453?

There are 3 known substitutes for 2520-00-400-6453: 5999-01-100-7215, 5998-01-540-3707, 6150-01-544-4339. Verify interchangeability with system specifications before substitution.

What are the specifications of 121950?

Key specifications for 121950: General Characteristics Item Description: 4.812 IN.OUTSIDE DIA,2.812 IN.HIGH,CLUTCH TOOTH DATA 36 TEETH,8 PITCH DIA,20 DEG PRESSURE ANGLE,TWENTY FOUR 0.406 IN.DIA MTG HOLES EQUALLY SPACED,AND TWO THD HOLES 3/8-16,UNC,3B EQUALLY SPACED ON 14.062 IN.DIA BOLT CIRCLE IN. 1 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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