PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-285Sleeve,shaft,pump

Woodward Governor Company · NSN 4320-01-657-8174 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-657-8174 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-657-8174. Primary manufacturer part number: 20-285.
Features
  • Sleeve,shaft,pump — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Woodward Governor Company
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-657-8174, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Woodward Governor Company. This item has 1 commercial cross-reference 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.

Catalog Facts
Item NameSleeve,shaft,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersWoodward Governor Company (CAGE 3JER7)
Technical Specifications
ParameterValue
NSN4320-01-657-8174
Primary Part Number20-285
Item NameSleeve,shaft,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWoodward Governor Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5841-00-338-1763359D133 INTERCHANGEABLE
Magnet Assy,focusin
General Dynamics Mission Systems, Inc. Dba Gdms
5950-00-647-5260 INTERCHANGEABLE
Transformer,power
4820-01-134-280320285 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-150-382107521004132 INTERCHANGEABLE
Pressure Screw,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5331-01-273-153820285 INTERCHANGEABLE
O-Ring
Bourns Inc
1650-01-395-73811-1327-1-6338 INTERCHANGEABLE
Disk,valve
Fluid Mechanics Valve Company
4820-01-396-193438202-3112S19 INTERCHANGEABLE
Valve,safety Relief
Fluid Mechanics Valve Company
6545-01-416-6000 INTERCHANGEABLE
Kit,ventilator,volu
6240-01-419-7793 INTERCHANGEABLE
Lamp,fluorescent
8145-01-580-751112573801 INTERCHANGEABLE
Shipping and Storage Container,e
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
20-285 PRIMARY Woodward Governor Company (USA)
Related Parts
5841-00-338-1763INTERCHANGEABLE
MAGNET ASSY,FOCUSIN
359D133
5950-00-647-5260INTERCHANGEABLE
TRANSFORMER,POWER
4820-01-134-2803INTERCHANGEABLE
VALVE,SAFETY RELIEF
20285
4820-01-150-3821INTERCHANGEABLE
PRESSURE SCREW,VALVE
07521004132
5331-01-273-1538INTERCHANGEABLE
O-RING
20285
1650-01-395-7381INTERCHANGEABLE
DISK,VALVE
1-1327-1-6338
4820-01-396-1934INTERCHANGEABLE
VALVE,SAFETY RELIEF
38202-3112S19
6545-01-416-6000INTERCHANGEABLE
KIT,VENTILATOR,VOLU
6240-01-419-7793INTERCHANGEABLE
LAMP,FLUORESCENT
8145-01-580-7511INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
12573801
6680-01-651-7802INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
20285-0501
6680-01-652-1612INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
20285-0301

Frequently Asked Questions

What is NSN 4320-01-657-8174?

NSN 4320-01-657-8174 is a Sleeve,shaft,pump, manufactured by Woodward Governor Company, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-657-8174?

NSN 4320-01-657-8174 has 1 cross-referenced part number: 20-285 (Woodward Governor Company).

What NSN replaces 4320-01-657-8174?

There are 12 known substitutes for 4320-01-657-8174: 5841-00-338-1763, 5950-00-647-5260, 4820-01-134-2803 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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