PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

361001Seat,valve

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · NSN 4820-00-866-8072 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-866-8072 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-866-8072. Primary manufacturer part number: 361001.
Features
  • Seat,valve — FSC 4820
  • Flange Diameter: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
  • Flange Seat to Disk End Height: 0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
  • Seating Surface Shape: FLAT
  • Body Outside Diameter: 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
  • Under Flange Height: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
  • Material: COBALT ALLOY OVERALL
  • Style Designator: PLAIN FLANGED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Cobalt Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-866-8072, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN4820-00-866-8072
Primary Part Number361001
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
StatusACTIVE
Flange Diameter0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
Flange Seat to Disk End Height0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Seating Surface ShapeFLAT
Body Outside Diameter0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
Under Flange Height0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
MaterialCOBALT ALLOY OVERALL
Style DesignatorPLAIN FLANGED
Body Inside Diameter0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5920-00-089-3858 INTERCHANGEABLE
Fuse,cartridge
5915-01-384-4464361001 INTERCHANGEABLE
Filter,band Pass
Datron World Communications, Inc.
5310-01-656-4597361-001 INTERCHANGEABLE
Washer,flat
Malabar
Cross-Reference Index
Part NumberManufacturer
361001 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
361001 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
Related Parts
5920-00-089-3858INTERCHANGEABLE
FUSE,CARTRIDGE
5915-01-384-4464INTERCHANGEABLE
FILTER,BAND PASS
361001
5310-01-656-4597INTERCHANGEABLE
WASHER,FLAT
361-001

Frequently Asked Questions

What is NSN 4820-00-866-8072?

NSN 4820-00-866-8072 is a Seat,valve, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-866-8072?

NSN 4820-00-866-8072 has 2 cross-referenced part numbers: 361001 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 361001 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).

What NSN replaces 4820-00-866-8072?

There are 3 known substitutes for 4820-00-866-8072: 5920-00-089-3858, 5915-01-384-4464, 5310-01-656-4597. Verify interchangeability with system specifications before substitution.

What are the specifications of 361001?

Key specifications for 361001: Flange Diameter: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN; Flange Seat to Disk End Height: 0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN; Seating Surface Shape: FLAT; Body Outside Diameter: 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN. 8 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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