PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12132-22Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-191-8839 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-191-8839 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-191-8839. Primary manufacturer part number: 12132-22.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Material: COPPER ALLOY SEAT
  • Flange Diameter: 2.750 INCHES NOMINAL IN
  • Body Inside Diameter: 2.0156 INCHES NOMINAL IN
  • Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN
  • Under Flange Height: 0.6875 INCHES NOMINAL IN
  • Style Designator: THREADED FLANGED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-191-8839, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-01-191-8839
Primary Part Number12132-22
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Seating Surface ShapeFLAT
MaterialCOPPER ALLOY SEAT
Flange Diameter2.750 INCHES NOMINAL IN
Body Inside Diameter2.0156 INCHES NOMINAL IN
Flange Seat to Disk End Height0.125 INCHES NOMINAL IN
Under Flange Height0.6875 INCHES NOMINAL IN
Style DesignatorTHREADED FLANGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-009-729212132 INTERCHANGEABLE
Pulley,groove
Ariens Co
4730-00-062-42823C INTERCHANGEABLE
Coupling Half,quick Disconnect
Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division
5133-00-234-5141 INTERCHANGEABLE
Drill,twist
6210-00-832-90391813/2R-5 INTERCHANGEABLE
Filter,indicator Light
Apm Hexseal Corp
6675-01-072-08191213-2 INTERCHANGEABLE
Plate,photo,right
Leidos, Inc. Div Cyber and Information Solutions Services
5915-01-093-7571121-3-2 INTERCHANGEABLE
Network,support
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
3455-01-263-627212132 INTERCHANGEABLE
Trepanning Tool,machine
Hougen Manufacturing, Inc
5999-01-389-81831213-2 INTERCHANGEABLE
Cooler,fluid,electronic Equipmen
Rotron Incorporated
7050-01-471-5777G-3825 INTERCHANGEABLE
Driver,signal,microcomputer
L3 Technologies, Inc.
5340-01-555-613212132 INTERCHANGEABLE
Strap,elastic
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
12132-22 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12132 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3020-00-009-7292INTERCHANGEABLE
PULLEY,GROOVE
12132
4730-00-062-4282INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3C
5133-00-234-5141INTERCHANGEABLE
DRILL,TWIST
6210-00-832-9039INTERCHANGEABLE
FILTER,INDICATOR LIGHT
1813/2R-5
6675-01-072-0819INTERCHANGEABLE
PLATE,PHOTO,RIGHT
1213-2
5915-01-093-7571INTERCHANGEABLE
NETWORK,SUPPORT
121-3-2
3455-01-263-6272INTERCHANGEABLE
TREPANNING TOOL,MACHINE
12132
5999-01-389-8183INTERCHANGEABLE
COOLER,FLUID,ELECTRONIC EQUIPMEN
1213-2
7050-01-471-5777INTERCHANGEABLE
DRIVER,SIGNAL,MICROCOMPUTER
G-3825
5340-01-555-6132INTERCHANGEABLE
STRAP,ELASTIC
12132
5340-01-599-4522INTERCHANGEABLE
BRACKET,MOUNTING
5120-01-601-5196INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4820-01-191-8839?

NSN 4820-01-191-8839 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 4820-01-191-8839?

NSN 4820-01-191-8839 has 2 cross-referenced part numbers: 12132-22 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12132 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-191-8839?

There are 12 known substitutes for 4820-01-191-8839: 3020-00-009-7292, 4730-00-062-4282, 5133-00-234-5141 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12132-22?

Key specifications for 12132-22: Seating Surface Shape: FLAT; Material: COPPER ALLOY SEAT; Flange Diameter: 2.750 INCHES NOMINAL IN; Body Inside Diameter: 2.0156 INCHES NOMINAL IN. 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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