PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34401Pump,rotary

Robbins and Myers Inc Fluids Handling Div Motno Indistrial Products Business Unit · NSN 4320-01-103-8054 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-103-8054 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-103-8054. Primary manufacturer part number: 34401.
Features
  • Pump,rotary — FSC 4320
  • Pumping Element Operating Position: HORIZONTAL
  • Suction Lift: 28.000 FEET FT
  • Drive Shaft Length: 0.625 INCHES NOMINAL IN
  • Drive Connection Type: FLEXIBLE COUPLED
  • Discharge Connection Thread Size and Series/type Designator: 0.750-14 NPT
  • Mounting Type: BASE
  • Discharge Pressure: 5.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-103-8054, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Robbins and Myers Inc Fluids Handling Div Motno Indistrial Products Business Unit. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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.

Technical Specifications
ParameterValue
NSN4320-01-103-8054
Primary Part Number34401
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRobbins and Myers Inc Fluids Handling Div Motno Indistrial Products Business Unit
StatusACTIVE
Pumping Element Operating PositionHORIZONTAL
Suction Lift28.000 FEET FT
Drive Shaft Length0.625 INCHES NOMINAL IN
Drive Connection TypeFLEXIBLE COUPLED
Discharge Connection Thread Size and Series/type Designator0.750-14 NPT
Mounting TypeBASE
Discharge Pressure5.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
Maximum Discharge Flow Rate8.2 GALLONS PER MINUTE
Drive Shaft TypeD-TYPE
Intake Connection Quantity1
Discharge Connection Quantity1
Operation MethodPOWERED
Rotary Pump DesignFLEXIBLE MEMBER
Operating Speed at Rated Capacity1140.0 REVOLUTIONS PER MINUTE
Pump Rotation DirectionCLOCKWISE AND COUNTERCLOCKWISE
Intake Connection TypeTHREADED INTERNAL
Discharge Connection TypeTHREADED INTERNAL
Total Head60.000 FEET FT
Intake Connection Thread Size and Series/type Designator0.750-14 NPT
Media for Which DesignedOIL AND WATER, FRESH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4310-00-354-645134-401 INTERCHANGEABLE
Bolt,connecting Rod
Dresser Industries Inc Leroi Div
9905-00-902-30243440-1 INTERCHANGEABLE
Numeral,sign
Brady United States
5955-01-008-87613440-1 INTERCHANGEABLE
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Monitor Products Co. Inc. Dba Monitor Products Co. Inc.
2915-01-035-11303440-1 INTERCHANGEABLE
Ring,wear
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5360-01-109-2718 INTERCHANGEABLE
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4820-01-151-40223440-01 INTERCHANGEABLE
Diaphragm,valve,flat
Watts Automatic Control Valve Inc
5365-01-177-8455 INTERCHANGEABLE
Spacer,sleeve
4240-01-276-827803488 INTERCHANGEABLE
Sock,paint Sprayer
C&h Distributors, Llc
6625-01-372-3905 INTERCHANGEABLE
Multimeter
6110-01-464-689134401 INTERCHANGEABLE
Contactor,magnetic
Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div
Cross-Reference Index
Part NumberManufacturer
FA44CGQ Robbins and Myers Inc Fluids Handling Div Motno Indistrial Products Business Unit (USA)
34401 PRIMARY Robbins and Myers Inc Fluids Handling Div Motno Indistrial Products Business Unit (USA)
Related Parts
4310-00-354-6451INTERCHANGEABLE
BOLT,CONNECTING ROD
34-401
9905-00-902-3024INTERCHANGEABLE
NUMERAL,SIGN
3440-1
5955-01-008-8761INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
3440-1
2915-01-035-1130INTERCHANGEABLE
RING,WEAR
3440-1
5360-01-109-2718INTERCHANGEABLE
SPRING,RETAINER
4820-01-151-4022INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
3440-01
5365-01-177-8455INTERCHANGEABLE
SPACER,SLEEVE
4240-01-276-8278INTERCHANGEABLE
SOCK,PAINT SPRAYER
03488
6625-01-372-3905INTERCHANGEABLE
MULTIMETER
6110-01-464-6891INTERCHANGEABLE
CONTACTOR,MAGNETIC
34401

Frequently Asked Questions

What is NSN 4320-01-103-8054?

NSN 4320-01-103-8054 is a Pump,rotary, manufactured by Robbins and Myers Inc Fluids Handling Div Motno Indistrial Products Business Unit, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-103-8054?

NSN 4320-01-103-8054 has 2 cross-referenced part numbers: FA44CGQ (Robbins and Myers Inc Fluids Handling Div Motno Indistrial Products Business Unit), 34401 (Robbins and Myers Inc Fluids Handling Div Motno Indistrial Products Business Unit).

What NSN replaces 4320-01-103-8054?

There are 10 known substitutes for 4320-01-103-8054: 4310-00-354-6451, 9905-00-902-3024, 5955-01-008-8761 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34401?

Key specifications for 34401: Pumping Element Operating Position: HORIZONTAL; Suction Lift: 28.000 FEET FT; Drive Shaft Length: 0.625 INCHES NOMINAL IN; Drive Connection Type: FLEXIBLE COUPLED. 21 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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