PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1159SCH202-1Pump,rotary

Northrop Grumman Systems Corporation · NSN 4320-01-149-4875 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-149-4875 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-149-4875. Primary manufacturer part number: 1159SCH202-1.
Features
  • Pump,rotary — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-149-4875, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Northrop Grumman Systems Corporation. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePump,rotary
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersNorthrop Grumman Systems Corporation (CAGE 26512); Gulfstream Aerospace Corporation Div Government Contracts (CAGE 59734); Parker Hannifin Corporation Div Hydraulic Systems Division (CAGE 93835)
Technical Specifications
ParameterValue
NSN4320-01-149-4875
Primary Part Number1159SCH202-1
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-147-4303123-309 INTERCHANGEABLE
Coil,radio Frequency
Avionics Specialties, Inc.
2940-00-203-310251104 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5133-00-236-3414 INTERCHANGEABLE
Drill,twist
5310-00-350-013951104 INTERCHANGEABLE
Washer,key
Meritor Heavy Vehicle Systems, Llc
1680-00-408-907251104 INTERCHANGEABLE
Universal Joint,aircraft
Dressta North America Ltd
5999-00-502-9425 INTERCHANGEABLE
Contact,electrical
3110-00-761-657719280 INTERCHANGEABLE
Bearing,ball,thrust
Skf Usa Inc.
5120-01-518-2100RM16 INTERCHANGEABLE
Mallet,rubber
Westward Corp
Cross-Reference Index
Part NumberManufacturer
1159SCH202-1 PRIMARY Northrop Grumman Systems Corporation (USA)
1159SCH202-1 PRIMARY Gulfstream Aerospace Corporation Div Government Contracts (USA)
51104 Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5950-00-147-4303INTERCHANGEABLE
COIL,RADIO FREQUENCY
123-309
2940-00-203-3102INTERCHANGEABLE
FILTER ELEMENT,FLUID
51104
5133-00-236-3414INTERCHANGEABLE
DRILL,TWIST
5310-00-350-0139INTERCHANGEABLE
WASHER,KEY
51104
1680-00-408-9072INTERCHANGEABLE
UNIVERSAL JOINT,AIRCRAFT
51104
5999-00-502-9425INTERCHANGEABLE
CONTACT,ELECTRICAL
3110-00-761-6577INTERCHANGEABLE
BEARING,BALL,THRUST
19280
5120-01-518-2100INTERCHANGEABLE
MALLET,RUBBER
RM16

Frequently Asked Questions

What is NSN 4320-01-149-4875?

NSN 4320-01-149-4875 is a Pump,rotary, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-149-4875?

NSN 4320-01-149-4875 has 3 cross-referenced part numbers: 1159SCH202-1 (Northrop Grumman Systems Corporation), 1159SCH202-1 (Gulfstream Aerospace Corporation Div Government Contracts), 51104 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4320-01-149-4875?

There are 8 known substitutes for 4320-01-149-4875: 5950-00-147-4303, 2940-00-203-3102, 5133-00-236-3414 and 5 more. Verify interchangeability with system specifications before substitution.

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