PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1344Pump Unit,rotary

Micropump Corp · NSN 4320-01-023-6502 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-023-6502 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-023-6502. Primary manufacturer part number: 1344.
Features
  • Pump Unit,rotary — FSC 4320
  • Discharge Connection Thread Size and Series/type Designator: 0.125-27 NPT
  • Prime Mover Type: ELECTRIC MOTOR
  • Current Rating in Amps: 1.0
  • Operation Relationship Design: SIMULTANEOUS
  • Voltage in Volts: 28.0
  • Maximum Discharge Flow Rate: 0.5 GALLONS PER MINUTE
  • Prime Mover Cooling Medium: AIR
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,rotary, cataloged under National Stock Number 4320-01-023-6502, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Micropump Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-023-6502
Primary Part Number1344
Item NamePump Unit,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerMicropump Corp
StatusACTIVE
Discharge Connection Thread Size and Series/type Designator0.125-27 NPT
Prime Mover TypeELECTRIC MOTOR
Current Rating in Amps1.0
Operation Relationship DesignSIMULTANEOUS
Voltage in Volts28.0
Maximum Discharge Flow Rate0.5 GALLONS PER MINUTE
Prime Mover Cooling MediumAIR
Media for Which DesignedLIQUID
Current TypeDC
Discharge Connection Quantity1
Intake Connection TypeTHREADED INTERNAL
Intake Connection Quantity1
Pump Quantity1
Rotary Pump DesignGEAR
Prime Mover Quantity1
Inclosure TypeFULLY INCLOSED
Intake Connection Thread Size and Series/type Designator0.125-27 NPT
Discharge Connection TypeTHREADED INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5307-00-026-857480111 INTERCHANGEABLE
Stud,plain
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
3110-00-065-485601221 INTERCHANGEABLE
Retainer,ball,bearing
Defense Logistics Agency Dba Defense Supply Center Philadelphia
6210-00-174-8967 INTERCHANGEABLE
Lens,light
5330-00-256-81571344 INTERCHANGEABLE
Gasket
Smith Meter Inc Parts Opn
1650-00-304-6167 INTERCHANGEABLE
Cylinder,actuating,linear
5930-00-503-2860FES191B INTERCHANGEABLE
Switch,pressure
Hiller Aircraft Corporation
6145-00-578-6605M5086/2-16-9 INTERCHANGEABLE
Wire,electrical
Sae International Dba Sae International
5342-00-657-69321344 INTERCHANGEABLE
Latch,plate
Miller-Holzwarth Inc.
2910-00-737-8050 INTERCHANGEABLE
Parts Kit,carburetor
5998-00-794-2184 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
1344 Micropump Corp (USA)
04-31-303-1344 Micropump Corp (USA)
81967 Micropump Corp (USA)
80111 Micropump Corp (USA)
04-31-316-1344 Micropump Corp (USA)
Related Parts
5307-00-026-8574INTERCHANGEABLE
STUD,PLAIN
80111
3110-00-065-4856INTERCHANGEABLE
RETAINER,BALL,BEARING
01221
6210-00-174-8967INTERCHANGEABLE
LENS,LIGHT
5330-00-256-8157INTERCHANGEABLE
GASKET
1344
1650-00-304-6167INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
5930-00-503-2860INTERCHANGEABLE
SWITCH,PRESSURE
FES191B
6145-00-578-6605INTERCHANGEABLE
WIRE,ELECTRICAL
M5086/2-16-9
5342-00-657-6932INTERCHANGEABLE
LATCH,PLATE
1344
2910-00-737-8050INTERCHANGEABLE
PARTS KIT,CARBURETOR
5998-00-794-2184INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2990-00-846-2942INTERCHANGEABLE
MUFFLER,EXHAUST
1551
5325-00-857-1675INTERCHANGEABLE
GROMMET,NONMETALLIC

Frequently Asked Questions

What is NSN 4320-01-023-6502?

NSN 4320-01-023-6502 is a Pump Unit,rotary, manufactured by Micropump Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-023-6502?

NSN 4320-01-023-6502 has 5 cross-referenced part numbers: 1344 (Micropump Corp), 04-31-303-1344 (Micropump Corp), 81967 (Micropump Corp), 80111 (Micropump Corp), 04-31-316-1344 (Micropump Corp).

What NSN replaces 4320-01-023-6502?

There are 12 known substitutes for 4320-01-023-6502: 5307-00-026-8574, 3110-00-065-4856, 6210-00-174-8967 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1344?

Key specifications for 1344: Discharge Connection Thread Size and Series/type Designator: 0.125-27 NPT; Prime Mover Type: ELECTRIC MOTOR; Current Rating in Amps: 1.0; Operation Relationship Design: SIMULTANEOUS. 18 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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