PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N12219Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-389-4585 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-389-4585 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-389-4585. Primary manufacturer part number: N12219.
Features
  • Seat,valve — FSC 4820
  • Style Designator: FAUCET
  • Seating Surface Shape: FLAT
  • Material: COPPER ALLOY OVERALL
  • Seal Accommodation Type: RECESSED
  • 14 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-389-4585, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-389-4585
Primary Part NumberN12219
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Style DesignatorFAUCET
Seating Surface ShapeFLAT
MaterialCOPPER ALLOY OVERALL
Seal Accommodation TypeRECESSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9264 INTERCHANGEABLE
Drill,twist
4730-00-196-1538A733S-17CFG INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
5950-00-211-71382806972 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5315-00-663-075612-219 INTERCHANGEABLE
Pin,hollow
Hamilton Sundstrand Corporation
6145-00-683-5352 INTERCHANGEABLE
Cable,radio Frequency
2520-00-728-746012219 INTERCHANGEABLE
Shaft,transmission
Funk Mfg Co Sub of Deere and Co
3040-01-130-878612219 INTERCHANGEABLE
Ring,piston
Aerco International, Inc. Dba Aerco International Inc
3445-01-188-0155 INTERCHANGEABLE
Blade,movable
5360-01-210-0628A-1045-1 PIECE 12 INTERCHANGEABLE
Spring,helical,compression
Circor Naval Solutions Llc Dba Warren Pumps
3120-01-283-76008-2728 INTERCHANGEABLE
Bushing,sleeve
Triumph/magna Mixer Co
Cross-Reference Index
Part NumberManufacturer
12219 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N12219 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
T724-1PC27 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
8942N2PC41 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
8942N1PC41 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
8207N1PC23 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
T735F1PC39 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
8207N2PC23 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
T735FALT3PC65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
8942N1PC40 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
T724F2PC22 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
8942N2PC40 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
9019NPC5 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
9019NPC7 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5133-00-189-9264INTERCHANGEABLE
DRILL,TWIST
4730-00-196-1538INTERCHANGEABLE
NIPPLE,PIPE
A733S-17CFG
5950-00-211-7138INTERCHANGEABLE
TRANSFORMER,POWER
2806972
5315-00-663-0756INTERCHANGEABLE
PIN,HOLLOW
12-219
6145-00-683-5352INTERCHANGEABLE
CABLE,RADIO FREQUENCY
2520-00-728-7460INTERCHANGEABLE
SHAFT,TRANSMISSION
12219
3040-01-130-8786INTERCHANGEABLE
RING,PISTON
12219
3445-01-188-0155INTERCHANGEABLE
BLADE,MOVABLE
5360-01-210-0628INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A-1045-1 PIECE 12
3120-01-283-7600INTERCHANGEABLE
BUSHING,SLEEVE
8-2728
5120-01-430-7882INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5340-01-563-7971INTERCHANGEABLE
BRACKET,MOUNTING
12219

Frequently Asked Questions

What is NSN 4820-00-389-4585?

NSN 4820-00-389-4585 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-389-4585?

NSN 4820-00-389-4585 has 14 cross-referenced part numbers: 12219 (Leslie Controls, Inc. Dba Leslie Controls Inc), N12219 (Leslie Controls, Inc. Dba Leslie Controls Inc), T724-1PC27 (Leslie Controls, Inc. Dba Leslie Controls Inc), 8942N2PC41 (Leslie Controls, Inc. Dba Leslie Controls Inc), 8942N1PC41 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 9 more.

What NSN replaces 4820-00-389-4585?

There are 12 known substitutes for 4820-00-389-4585: 5133-00-189-9264, 4730-00-196-1538, 5950-00-211-7138 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N12219?

Key specifications for N12219: Style Designator: FAUCET; Seating Surface Shape: FLAT; Material: COPPER ALLOY OVERALL; Seal Accommodation Type: RECESSED. 4 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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