PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14778Stem,fluid Valve

Ashcroft Inc Dba Heise · NSN 4820-00-036-1855 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1855 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1855. Primary manufacturer part number: 14778.
Features
  • Stem,fluid Valve — FSC 4820
  • Features Provided: THREADED
  • Material: STEEL
  • 1 verified cross-reference
  • 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 4820-00-036-1855, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1855
Primary Part Number14778
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Features ProvidedTHREADED
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6520-01-003-313814778 INTERCHANGEABLE
Bur,dental,excavating
Ss White Burs Llc
4410-01-084-8022 INTERCHANGEABLE
Plate,mounting
3040-01-438-7639 INTERCHANGEABLE
Shaft Assembly,shouldered
6550-01-579-2747700-9005 INTERCHANGEABLE
Calibrator,hematology
Zoetis Inc.
Cross-Reference Index
Part NumberManufacturer
14778 PRIMARY Ashcroft Inc Dba Heise (USA)
Related Parts
6520-01-003-3138INTERCHANGEABLE
BUR,DENTAL,EXCAVATING
14778
4410-01-084-8022INTERCHANGEABLE
PLATE,MOUNTING
3040-01-438-7639INTERCHANGEABLE
SHAFT ASSEMBLY,SHOULDERED
6550-01-579-2747INTERCHANGEABLE
CALIBRATOR,HEMATOLOGY
700-9005

Frequently Asked Questions

What is NSN 4820-00-036-1855?

NSN 4820-00-036-1855 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 4820-00-036-1855?

NSN 4820-00-036-1855 has 1 cross-referenced part number: 14778 (Ashcroft Inc Dba Heise).

What NSN replaces 4820-00-036-1855?

There are 4 known substitutes for 4820-00-036-1855: 6520-01-003-3138, 4410-01-084-8022, 3040-01-438-7639 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14778?

Key specifications for 14778: Features Provided: THREADED; Material: STEEL; Overall Length: 14.688 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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