PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

62003-PC533Rotor and Shaft Pump Assembly

Washington Scientific Industries Inc · NSN 4320-00-243-9971 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-243-9971 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-243-9971. Primary manufacturer part number: 62003-PC533.
Features
  • Rotor and Shaft Pump Assembly — FSC 4320
  • Pump Design Control Activity: 10522
  • Rotor Diameter: 1.125 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Washington Scientific Industries Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Rotor and Shaft Pump Assembly, cataloged under National Stock Number 4320-00-243-9971, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Washington Scientific Industries Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-243-9971
Primary Part Number62003-PC533
Item NameRotor and Shaft Pump Assembly
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWashington Scientific Industries Inc
StatusACTIVE
Pump Design Control Activity10522
Rotor Diameter1.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-137-45431853-0233 INTERCHANGEABLE
Transistor
Keysight Technologies Inc
1010-00-158-1816346201PC5 INTERCHANGEABLE
Retainer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5996-00-277-738462003-02 INTERCHANGEABLE
Amplifier,electronic Control
Cae Inc
5330-00-285-838113696A INTERCHANGEABLE
Seal,plain Encased
Brinkley Technology Group Llc Dba Hercules Manufacturing
5310-00-637-9541019-00004-42 INTERCHANGEABLE
Washer,lock
Kovatch Corp.
2540-00-835-9039 INTERCHANGEABLE
Pintle Assembly,towing
4820-01-050-352662003 INTERCHANGEABLE
Valve,angle
Rotary Vacuum Pumps Inc
5999-01-147-48296-200-3 INTERCHANGEABLE
Contact,electrical
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
Cross-Reference Index
Part NumberManufacturer
62003-PC533 Washington Scientific Industries Inc (USA)
A61871 Washington Scientific Industries Inc (USA)
D61250 Washington Scientific Industries Inc (USA)
62003 Washington Scientific Industries Inc (USA)
Related Parts
5961-00-137-4543INTERCHANGEABLE
TRANSISTOR
1853-0233
1010-00-158-1816INTERCHANGEABLE
RETAINER
346201PC5
5996-00-277-7384INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
62003-02
5330-00-285-8381INTERCHANGEABLE
SEAL,PLAIN ENCASED
13696A
5310-00-637-9541INTERCHANGEABLE
WASHER,LOCK
019-00004-42
2540-00-835-9039INTERCHANGEABLE
PINTLE ASSEMBLY,TOWING
4820-01-050-3526INTERCHANGEABLE
VALVE,ANGLE
62003
5999-01-147-4829INTERCHANGEABLE
CONTACT,ELECTRICAL
6-200-3

Frequently Asked Questions

What is NSN 4320-00-243-9971?

NSN 4320-00-243-9971 is a Rotor and Shaft Pump Assembly, manufactured by Washington Scientific Industries Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-243-9971?

NSN 4320-00-243-9971 has 4 cross-referenced part numbers: 62003-PC533 (Washington Scientific Industries Inc), A61871 (Washington Scientific Industries Inc), D61250 (Washington Scientific Industries Inc), 62003 (Washington Scientific Industries Inc).

What NSN replaces 4320-00-243-9971?

There are 8 known substitutes for 4320-00-243-9971: 5961-00-137-4543, 1010-00-158-1816, 5996-00-277-7384 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 62003-PC533?

Key specifications for 62003-PC533: Overall Length: 11.443 INCHES NOMINAL IN; Pump Design Control Activity: 10522; Rotor Diameter: 1.125 INCHES NOMINAL IN; Special Features: W/KEYWAY. 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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