PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF2-1073Button,bleeder Valve

Malabar · NSN 4820-01-328-3422 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-328-3422 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-328-3422. Primary manufacturer part number: WF2-1073.
Features
  • Button,bleeder Valve — FSC 4820
  • General Characteristics Item Description: 6061-T6 ALUMINUM ALLOY
  • 2 verified cross-references
  • Primary manufacturer: Malabar
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Button,bleeder Valve, cataloged under National Stock Number 4820-01-328-3422, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Malabar. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-01-328-3422
Primary Part NumberWF2-1073
Item NameButton,bleeder Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMalabar
StatusACTIVE
General Characteristics Item Description6061-T6 ALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5995-00-519-1342CG409A/U1FT 8IN INTERCHANGEABLE
Cable Assembly,radio Frequency
Joint Electronics Type Designation System
1660-00-632-961921073 INTERCHANGEABLE
Converter,liquid Oxygen
Ingersoll-Rand Company Dba Ingersoll-Rand
7035-01-095-545221073 INTERCHANGEABLE
Block,filter
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5340-01-194-910721073 INTERCHANGEABLE
Strike,catch
Silver King Refrigeration Inc.
5962-01-338-5503 INTERCHANGEABLE
Microcircuit,linear
4820-01-415-742521073-1001-1 INTERCHANGEABLE
Guide,diaphragm,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-417-233521073-002 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-614-706321073C INTERCHANGEABLE
Float,valve
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
2-1073 Malabar (USA)
WF2-1073 PRIMARY Malabar (USA)
Related Parts
5995-00-519-1342INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
CG409A/U1FT 8IN
1660-00-632-9619INTERCHANGEABLE
CONVERTER,LIQUID OXYGEN
21073
7035-01-095-5452INTERCHANGEABLE
BLOCK,FILTER
21073
5340-01-194-9107INTERCHANGEABLE
STRIKE,CATCH
21073
5962-01-338-5503INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4820-01-415-7425INTERCHANGEABLE
GUIDE,DIAPHRAGM,VALVE
21073-1001-1
4820-01-417-2335INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21073-002
4820-01-614-7063INTERCHANGEABLE
FLOAT,VALVE
21073C

Frequently Asked Questions

What is NSN 4820-01-328-3422?

NSN 4820-01-328-3422 is a Button,bleeder Valve, manufactured by Malabar, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-328-3422?

NSN 4820-01-328-3422 has 2 cross-referenced part numbers: 2-1073 (Malabar), WF2-1073 (Malabar).

What NSN replaces 4820-01-328-3422?

There are 8 known substitutes for 4820-01-328-3422: 5995-00-519-1342, 1660-00-632-9619, 7035-01-095-5452 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WF2-1073?

Key specifications for WF2-1073: General Characteristics Item Description: 6061-T6 ALUMINUM ALLOY. 1 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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