PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100404Power End,pump

Clyde Union Inc Dba Clydeunion Pumps · NSN 4320-01-426-3305 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-426-3305 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-426-3305. Primary manufacturer part number: 100404.
Features
  • Power End,pump — FSC 4320
  • General Characteristics Item Description: COMPLETE POWER END ASSEMBLY FOR THE TX-10 TRIPLEX POWER PUMP
  • Material: STEEL AND IRON
  • 1 verified cross-reference
  • Primary manufacturer: Clyde Union Inc Dba Clydeunion Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel and Iron construction
General Description

The Power End,pump, cataloged under National Stock Number 4320-01-426-3305, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Clyde Union Inc Dba Clydeunion Pumps. Government technical data includes 2 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-426-3305
Primary Part Number100404
Item NamePower End,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerClyde Union Inc Dba Clydeunion Pumps
StatusACTIVE
General Characteristics Item DescriptionCOMPLETE POWER END ASSEMBLY FOR THE TX-10 TRIPLEX POWER PUMP
MaterialSTEEL AND IRON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-541-56133233-9179-0 INTERCHANGEABLE
Valve,safety Relief
Kidde Fire Fighting, Inc. Div National Foam
5340-01-187-1042100404 INTERCHANGEABLE
Retainer,cover
West Tech Systems Inc Dba Western Technical Associates
5961-01-196-1755 INTERCHANGEABLE
Semiconductor Device,diode
6530-01-508-7261 INTERCHANGEABLE
Switch Membrane
5305-01-515-441310-0404 INTERCHANGEABLE
Screw,cap,hexagon Head
Parker Hannifin Corporation Div Village Marine Tech
5999-01-532-3948 INTERCHANGEABLE
Parts Kit,electronic Equipment
3010-01-535-3783100404 INTERCHANGEABLE
Coupling Half,shaft
North American Marine Jet, Inc
Cross-Reference Index
Part NumberManufacturer
100404 PRIMARY Clyde Union Inc Dba Clydeunion Pumps (USA)
Related Parts
4820-00-541-5613INTERCHANGEABLE
VALVE,SAFETY RELIEF
3233-9179-0
5340-01-187-1042INTERCHANGEABLE
RETAINER,COVER
100404
5961-01-196-1755INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6530-01-508-7261INTERCHANGEABLE
SWITCH MEMBRANE
5305-01-515-4413INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
10-0404
5999-01-532-3948INTERCHANGEABLE
PARTS KIT,ELECTRONIC EQUIPMENT
3010-01-535-3783INTERCHANGEABLE
COUPLING HALF,SHAFT
100404

Frequently Asked Questions

What is NSN 4320-01-426-3305?

NSN 4320-01-426-3305 is a Power End,pump, manufactured by Clyde Union Inc Dba Clydeunion Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-426-3305?

NSN 4320-01-426-3305 has 1 cross-referenced part number: 100404 (Clyde Union Inc Dba Clydeunion Pumps).

What NSN replaces 4320-01-426-3305?

There are 7 known substitutes for 4320-01-426-3305: 4820-00-541-5613, 5340-01-187-1042, 5961-01-196-1755 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100404?

Key specifications for 100404: End Item Identification: NAVY WEAPONS SYSTEM TH, STRATEGIC SEALIFT CONVERSION SHIPS CLASS; General Characteristics Item Description: COMPLETE POWER END ASSEMBLY FOR THE TX-10 TRIPLEX POWER PUMP; Special Features: INCLUDES FRAME, OIL BREATHER, THREE CONNECTING ROD ASSEMBLIES WITH BEARINGS, THREE CROSSHEAD ASSEMBLIES, CRANKSAHFT ASSEMBLY WITH BEARINGS, END CAPS, SHIMS AND KEY, CRANKCASE COVER AND OIL LEVEL GAUGE, AND REQUIRED SEALS, GASKETS AND PLUGS; Material: STEEL AND IRON. 4 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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