PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53027Water Pump

Lear Siegler Inc Hypro Div · NSN 4320-00-028-9601 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-028-9601 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-028-9601. Primary manufacturer part number: 53027.
Features
  • Water Pump — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Lear Siegler Inc Hypro Div
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Water Pump, cataloged under National Stock Number 4320-00-028-9601, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Lear Siegler Inc Hypro Div. This item has 2 commercial cross-references from 2 manufacturers, 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 NameWater Pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersLear Siegler Inc Hypro Div (CAGE 94001); L and a Products Inc (CAGE 18947)
Technical Specifications
ParameterValue
NSN4320-00-028-9601
Primary Part Number53027
Item NameWater Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerLear Siegler Inc Hypro Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-190-9254F35013 INTERCHANGEABLE
Bearing,ball,annular
Kilian Manufacturing Corporation
6645-00-225-26874067 INTERCHANGEABLE
Catch,hammer
Wakmann Watch Company Inc
5360-00-374-526553027 INTERCHANGEABLE
Spring,helical,torsion
R. H. Sheppard Co., Inc. Dba Sheppard
6210-00-782-17344067 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
5905-00-879-8032995-1A18 INTERCHANGEABLE
Resistor,fixed,wire Wound,nonind
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5342-00-891-34744067 INTERCHANGEABLE
Bumper,special
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
6625-01-015-5873 INTERCHANGEABLE
Lead,test
2040-01-032-908753027 INTERCHANGEABLE
Erector Assembly
L3 Technologies, Inc. Div L3 Keo
6515-01-260-49754067-1 INTERCHANGEABLE
Sampling Kit,arterial Blood Gas
Smiths Medical Asd Inc Dba Smiths Medical Asd, Inc
5330-01-374-5306 INTERCHANGEABLE
Retainer,packing
Cross-Reference Index
Part NumberManufacturer
53027 Lear Siegler Inc Hypro Div (USA)
4067 L and a Products Inc (USA)
Related Parts
3110-00-190-9254INTERCHANGEABLE
BEARING,BALL,ANNULAR
F35013
6645-00-225-2687INTERCHANGEABLE
CATCH,HAMMER
4067
5360-00-374-5265INTERCHANGEABLE
SPRING,HELICAL,TORSION
53027
6210-00-782-1734INTERCHANGEABLE
LENS,LIGHT
4067
5905-00-879-8032INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,NONIND
995-1A18
5342-00-891-3474INTERCHANGEABLE
BUMPER,SPECIAL
4067
6625-01-015-5873INTERCHANGEABLE
LEAD,TEST
2040-01-032-9087INTERCHANGEABLE
ERECTOR ASSEMBLY
53027
6515-01-260-4975INTERCHANGEABLE
SAMPLING KIT,ARTERIAL BLOOD GAS
4067-1
5330-01-374-5306INTERCHANGEABLE
RETAINER,PACKING
8305-01-523-8579INTERCHANGEABLE
WEBBING,TEXTILE
4067
6140-01-623-9792INTERCHANGEABLE
BATTERY,STORAGE
4067

Frequently Asked Questions

What is NSN 4320-00-028-9601?

NSN 4320-00-028-9601 is a Water Pump, manufactured by Lear Siegler Inc Hypro Div, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-028-9601?

NSN 4320-00-028-9601 has 2 cross-referenced part numbers: 53027 (Lear Siegler Inc Hypro Div), 4067 (L and a Products Inc).

What NSN replaces 4320-00-028-9601?

There are 12 known substitutes for 4320-00-028-9601: 3110-00-190-9254, 6645-00-225-2687, 5360-00-374-5265 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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