PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80073Stem,fluid Valve

Ashcroft Inc Dba Heise · NSN 4820-00-036-1904 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1904 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1904. Primary manufacturer part number: 80073.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: STEEL
  • Largest Outside Diameter: 0.968 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Ashcroft Inc Dba Heise
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-00-036-1904, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 2 verified specifications, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1904
Primary Part Number80073
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
MaterialSTEEL
Largest Outside Diameter0.968 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
8030-00-018-9525 INTERCHANGEABLE
Belt Dressing and Preservative
1610-00-394-151580073 INTERCHANGEABLE
Lock Wire Asy
Hamilton Sundstrand Corporation Dba Collins Aerospace
4820-01-179-26458007-3 INTERCHANGEABLE
Diaphragm,valve,flat
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Cross-Reference Index
Part NumberManufacturer
80073 PRIMARY Ashcroft Inc Dba Heise (USA)
1619203 PRIMARY Ashcroft Inc Dba Heise (USA)
Related Parts
8030-00-018-9525INTERCHANGEABLE
BELT DRESSING AND PRESERVATIVE
1610-00-394-1515INTERCHANGEABLE
LOCK WIRE ASY
80073
4820-01-179-2645INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
8007-3

Frequently Asked Questions

What is NSN 4820-00-036-1904?

NSN 4820-00-036-1904 is a Stem,fluid Valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1904?

NSN 4820-00-036-1904 has 2 cross-referenced part numbers: 80073 (Ashcroft Inc Dba Heise), 1619203 (Ashcroft Inc Dba Heise).

What NSN replaces 4820-00-036-1904?

There are 3 known substitutes for 4820-00-036-1904: 8030-00-018-9525, 1610-00-394-1515, 4820-01-179-2645. Verify interchangeability with system specifications before substitution.

What are the specifications of 80073?

Key specifications for 80073: Material: STEEL; Largest Outside Diameter: 0.968 INCHES NOMINAL IN; Overall Length: 18.375 INCHES NOMINAL IN. 3 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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