PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

730-1-2Valve,foot,poppet

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-00-409-4520 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-409-4520 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-409-4520. Primary manufacturer part number: 730-1-2.
Features
  • Valve,foot,poppet — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,foot,poppet, cataloged under National Stock Number 4820-00-409-4520, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,foot,poppet
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (CAGE 76364)
Technical Specifications
ParameterValue
NSN4820-00-409-4520
Primary Part Number730-1-2
Item NameValve,foot,poppet
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-112-602260089P1024 INTERCHANGEABLE
Bearing,roller,needle
Patterson Pump Co Div Patterson Pump Company
5110-00-288-8737 INTERCHANGEABLE
Punch and Die,knockout
5935-00-352-911677C704744P002 INTERCHANGEABLE
Connector,plug,electrical
Lockheed Martin Corporation Div Rms
5310-00-701-489111A2179 INTERCHANGEABLE
Washer,flat
Napco International Llc Dba Napco International Inc
5999-00-887-651107-0501-0012 INTERCHANGEABLE
Shielding Gasket,electronic
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5360-01-046-425073012 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
6695-01-102-78387301-2 (CONF.-1) INTERCHANGEABLE
Photomultiplier Assembly
Gamma Scientific Inc
5120-01-367-3114 INTERCHANGEABLE
Wrench,pipe
6515-01-586-202673012 INTERCHANGEABLE
Sleeve,wrap-Around,pneumatic
Covidien Sales Llc Dba Covidien Sales
5610-01-661-930673012 INTERCHANGEABLE
Deck and Floor Covering Surface
Akzo Nobel Aerospace Coatings Inc
Cross-Reference Index
Part NumberManufacturer
730-1-2 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
3110-00-112-6022INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
60089P1024
5110-00-288-8737INTERCHANGEABLE
PUNCH AND DIE,KNOCKOUT
5935-00-352-9116INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
77C704744P002
5310-00-701-4891INTERCHANGEABLE
WASHER,FLAT
11A2179
5999-00-887-6511INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
07-0501-0012
5360-01-046-4250INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
73012
6695-01-102-7838INTERCHANGEABLE
PHOTOMULTIPLIER ASSEMBLY
7301-2 (CONF.-1)
5120-01-367-3114INTERCHANGEABLE
WRENCH,PIPE
6515-01-586-2026INTERCHANGEABLE
SLEEVE,WRAP-AROUND,PNEUMATIC
73012
5610-01-661-9306INTERCHANGEABLE
DECK AND FLOOR COVERING SURFACE
73012

Frequently Asked Questions

What is NSN 4820-00-409-4520?

NSN 4820-00-409-4520 is a Valve,foot,poppet, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-409-4520?

NSN 4820-00-409-4520 has 1 cross-referenced part number: 730-1-2 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 4820-00-409-4520?

There are 10 known substitutes for 4820-00-409-4520: 3110-00-112-6022, 5110-00-288-8737, 5935-00-352-9116 and 7 more. Verify interchangeability with system specifications before substitution.

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