PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

85088Seat,valve

Ashcroft Inc Dba Heise · NSN 4820-00-036-1947 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1947 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1947. Primary manufacturer part number: 85088.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Under Flange Height: 0.437 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Style Designator: FAUCET
  • Flange Seat to Disk End Height: 0.375 INCHES NOMINAL IN
  • Flange Diameter: 0.875 INCHES NOMINAL IN
  • Body Inside Diameter: 0.500 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-036-1947, 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 7 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1947
Primary Part Number85088
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Seating Surface ShapeFLAT
Under Flange Height0.437 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Style DesignatorFAUCET
Flange Seat to Disk End Height0.375 INCHES NOMINAL IN
Flange Diameter0.875 INCHES NOMINAL IN
Body Inside Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6685-00-111-1123163273 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5962-01-256-5383 INTERCHANGEABLE
Microcircuit,linear
4710-01-319-087385088 INTERCHANGEABLE
Tube Assembly,metal
Stewart & Stevenson Power Products Llc
Cross-Reference Index
Part NumberManufacturer
85088 PRIMARY Ashcroft Inc Dba Heise (USA)
Related Parts
6685-00-111-1123INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
163273
5962-01-256-5383INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4710-01-319-0873INTERCHANGEABLE
TUBE ASSEMBLY,METAL
85088

Frequently Asked Questions

What is NSN 4820-00-036-1947?

NSN 4820-00-036-1947 is a Seat,valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1947?

NSN 4820-00-036-1947 has 1 cross-referenced part number: 85088 (Ashcroft Inc Dba Heise).

What NSN replaces 4820-00-036-1947?

There are 3 known substitutes for 4820-00-036-1947: 6685-00-111-1123, 5962-01-256-5383, 4710-01-319-0873. Verify interchangeability with system specifications before substitution.

What are the specifications of 85088?

Key specifications for 85088: Seating Surface Shape: FLAT; Under Flange Height: 0.437 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL; Style Designator: FAUCET. 7 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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