PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71988Float,valve

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 4820-00-155-8252 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-155-8252 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-155-8252. Primary manufacturer part number: 71988.
Features
  • Float,valve — FSC 4820
  • Connection Type: UNTHREADED
  • Shape: ROUND
  • Overall Diameter: 3.985 INCHES NOMINAL IN
  • Material: PLASTIC AND STEEL CORROSION RESISTING
  • Depth: 3.937 INCHES NOMINAL IN
  • Size Designator: 0.500 IN. DIA IN
  • Quantity: 1
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic and Steel Corrosion Resisting construction
General Description

The Float,valve, cataloged under National Stock Number 4820-00-155-8252, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-155-8252
Primary Part Number71988
Item NameFloat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
Connection TypeUNTHREADED
ShapeROUND
Overall Diameter3.985 INCHES NOMINAL IN
MaterialPLASTIC AND STEEL CORROSION RESISTING
Depth3.937 INCHES NOMINAL IN
Size Designator0.500 IN. DIA IN
Quantity1
System for Which DesignedOPEN
MaterialPLASTIC AND STEEL CORROSION RESISTING
Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3020-00-148-690871988 INTERCHANGEABLE
Gear,housing
Radio Research Instrument Co., Inc.
5950-01-069-7120 INTERCHANGEABLE
Coil,radio Frequency
5310-01-652-019671988-05K INTERCHANGEABLE
Washer,flat
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
71988 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
71988 Vacco Industries (USA)
71988 Harsco Corp Bmy-Combat Systems Div (USA)
Related Parts
3020-00-148-6908INTERCHANGEABLE
GEAR,HOUSING
71988
5950-01-069-7120INTERCHANGEABLE
COIL,RADIO FREQUENCY
5310-01-652-0196INTERCHANGEABLE
WASHER,FLAT
71988-05K

Frequently Asked Questions

What is NSN 4820-00-155-8252?

NSN 4820-00-155-8252 is a Float,valve, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-155-8252?

NSN 4820-00-155-8252 has 3 cross-referenced part numbers: 71988 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 71988 (Vacco Industries), 71988 (Harsco Corp Bmy-Combat Systems Div).

What NSN replaces 4820-00-155-8252?

There are 3 known substitutes for 4820-00-155-8252: 3020-00-148-6908, 5950-01-069-7120, 5310-01-652-0196. Verify interchangeability with system specifications before substitution.

What are the specifications of 71988?

Key specifications for 71988: Connection Type: UNTHREADED; Shape: ROUND; Overall Diameter: 3.985 INCHES NOMINAL IN; Material: PLASTIC AND STEEL CORROSION RESISTING. 12 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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