PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N326740058Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-016-0222 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-016-0222 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-016-0222. Primary manufacturer part number: N326740058.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Style Designator: PLAIN FLANGED
  • Material: STEEL OVERALL
  • Under Flange Height: 0.563 INCHES NOMINAL IN
  • Body Outside Diameter: 2.500 INCHES NOMINAL IN
  • Body Inside Diameter: 1.750 INCHES NOMINAL IN
  • Flange Seat to Disk End Height: 0.500 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-016-0222, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-016-0222
Primary Part NumberN326740058
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
Seating Surface ShapeFLAT
Style DesignatorPLAIN FLANGED
MaterialSTEEL OVERALL
Under Flange Height0.563 INCHES NOMINAL IN
Body Outside Diameter2.500 INCHES NOMINAL IN
Body Inside Diameter1.750 INCHES NOMINAL IN
Flange Seat to Disk End Height0.500 INCHES NOMINAL IN
Flange Diameter2.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-586-0750GV19-644-55AJ INTERCHANGEABLE
Disk,valve
Automatic Switch Company Dba Asco
4820-00-952-1198 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-173-4672N32673 INTERCHANGEABLE
Retainer,seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-173-844749482-03 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-174-7806N39050 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-174-781316933 INTERCHANGEABLE
Disk,valve
Gemoco Div Chromalloy American Corp
4820-01-174-947819549N PIECE 44 INTERCHANGEABLE
Flange,gland,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-174-9513A326700357 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-175-6404N32671 INTERCHANGEABLE
Plug,bottom Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
3120-01-186-34131025Z2356 INTERCHANGEABLE
Parts Kit,bearing Replacement,me
Morris Material Handling, Inc.
Cross-Reference Index
Part NumberManufacturer
32674 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
32674 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
19549N PIECE 29 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
32674-00-58 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
CS-4820-SV-0750 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
12914N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
37674-00-81 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
32674TP Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
19549N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N326740058 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
32674-00-58 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-00-586-0750INTERCHANGEABLE
DISK,VALVE
GV19-644-55AJ
4820-00-952-1198INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-173-4672INTERCHANGEABLE
RETAINER,SEAT,VALVE
N32673
4820-01-173-8447INTERCHANGEABLE
CAP,VALVE
49482-03
4820-01-174-7806INTERCHANGEABLE
CAP,VALVE
N39050
4820-01-174-7813INTERCHANGEABLE
DISK,VALVE
16933
4820-01-174-9478INTERCHANGEABLE
FLANGE,GLAND,VALVE
19549N PIECE 44
4820-01-174-9513INTERCHANGEABLE
CAP,VALVE
A326700357
4820-01-175-6404INTERCHANGEABLE
PLUG,BOTTOM CAP,VALVE
N32671
3120-01-186-3413INTERCHANGEABLE
PARTS KIT,BEARING REPLACEMENT,ME
1025Z2356
4730-01-197-7736INTERCHANGEABLE
FLANGE,PIPE
32195-53
9999-01-613-1996INTERCHANGEABLE
CARTRIDGE,FLUID REF
32674-501

Frequently Asked Questions

What is NSN 4820-00-016-0222?

NSN 4820-00-016-0222 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-016-0222?

NSN 4820-00-016-0222 has 11 cross-referenced part numbers: 32674 (Lineta Engineering Und Handelsgesell-Schaft Mbh), 32674 (Leslie Controls, Inc. Dba Leslie Controls Inc), 19549N PIECE 29 (Leslie Controls, Inc. Dba Leslie Controls Inc), 32674-00-58 (Lineta Engineering Und Handelsgesell-Schaft Mbh), CS-4820-SV-0750 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)) and 6 more.

What NSN replaces 4820-00-016-0222?

There are 12 known substitutes for 4820-00-016-0222: 4820-00-586-0750, 4820-00-952-1198, 4820-01-173-4672 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N326740058?

Key specifications for N326740058: Seating Surface Shape: FLAT; Style Designator: PLAIN FLANGED; Material: STEEL OVERALL; Under Flange Height: 0.563 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-016-0222 still in active supply?

NSN 4820-00-016-0222 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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