PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

012-500-0006Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-036-1744 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1744 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1744. Primary manufacturer part number: 012-500-0006.
Features
  • Seat,valve — FSC 4820
  • Body Inside Diameter: 1.531 INCHES NOMINAL IN
  • Thread Series Designator: UN SINGLE THREADED PORTION
  • Thread Length: 0.281 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Thread Class: A SINGLE THREADED PORTION
  • Nominal Thread Size: 2.750 INCHES SINGLE THREADED PORTION IN
  • Style Designator: PLAIN THREADED
  • Material: NICKEL ALLOY OVERALL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-036-1744, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1744
Primary Part Number012-500-0006
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Body Inside Diameter1.531 INCHES NOMINAL IN
Thread Series DesignatorUN SINGLE THREADED PORTION
Thread Length0.281 INCHES NOMINAL SINGLE THREADED PORTION IN
Thread ClassA SINGLE THREADED PORTION
Nominal Thread Size2.750 INCHES SINGLE THREADED PORTION IN
Style DesignatorPLAIN THREADED
MaterialNICKEL ALLOY OVERALL
Seating Surface ShapeANGULAR
Seat Angle in Deg45.000 NOMINAL
Thread Quantity Per Inch16 SINGLE THREADED PORTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-145-6282 INTERCHANGEABLE
Extension Cam,valve
2920-00-175-9628M5-156H INTERCHANGEABLE
Regulator,engine Generator
Transpo Electronics Inc
5315-00-476-28205156 INTERCHANGEABLE
Pin,straight,headless
Goodrich Aerospace Canada Ltd
1560-00-573-320451-5-19-6 INTERCHANGEABLE
Lanyard Assembly
Lockheed Martin Corporation Div Rotary and Mission Systems
1650-00-658-80555156 INTERCHANGEABLE
Parts Kit,valve,overhaul
Hydro-Aire Aerospace Corp
4030-00-697-07745196 INTERCHANGEABLE
Rod,anchor
Ngk-Locke, Inc.
1055-00-699-0822515-0006 INTERCHANGEABLE
Key
Cummins Power Generation Inc.
5330-00-765-2909G9-103088 INTERCHANGEABLE
Gasket
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5935-00-854-7009189302 INTERCHANGEABLE
Connector,plug,electrical
Lockheed Martin Corporation Div Rms - Mitchel Field
5935-00-984-3050RF-02652 INTERCHANGEABLE
Connector Body,receptacle,electr
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
Cross-Reference Index
Part NumberManufacturer
012.500.0006 Kunkle Industries Inc Lonergan Valve Div (USA)
012-500-0006 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
51-5-6 Kunkle Industries Inc Lonergan Valve Div (USA)
012-500-0006 Kunkle Industries Inc Lonergan Valve Div (USA)
012-500-0006 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4820-00-145-6282INTERCHANGEABLE
EXTENSION CAM,VALVE
2920-00-175-9628INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
M5-156H
5315-00-476-2820INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5156
1560-00-573-3204INTERCHANGEABLE
LANYARD ASSEMBLY
51-5-19-6
1650-00-658-8055INTERCHANGEABLE
PARTS KIT,VALVE,OVERHAUL
5156
4030-00-697-0774INTERCHANGEABLE
ROD,ANCHOR
5196
1055-00-699-0822INTERCHANGEABLE
KEY
515-0006
5330-00-765-2909INTERCHANGEABLE
GASKET
G9-103088
5935-00-854-7009INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
189302
5935-00-984-3050INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
RF-02652
4820-01-112-9843INTERCHANGEABLE
SEAT,VALVE
4210-01-311-1940INTERCHANGEABLE
RELEASE,PNEUMATIC V
5156

Frequently Asked Questions

What is NSN 4820-00-036-1744?

NSN 4820-00-036-1744 is a Seat,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1744?

NSN 4820-00-036-1744 has 5 cross-referenced part numbers: 012.500.0006 (Kunkle Industries Inc Lonergan Valve Div), 012-500-0006 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 51-5-6 (Kunkle Industries Inc Lonergan Valve Div), 012-500-0006 (Kunkle Industries Inc Lonergan Valve Div), 012-500-0006 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-00-036-1744?

There are 12 known substitutes for 4820-00-036-1744: 4820-00-145-6282, 2920-00-175-9628, 5315-00-476-2820 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 012-500-0006?

Key specifications for 012-500-0006: Overall Height: 0.562 INCHES NOMINAL IN; Body Inside Diameter: 1.531 INCHES NOMINAL IN; Thread Series Designator: UN SINGLE THREADED PORTION; Thread Length: 0.281 INCHES NOMINAL SINGLE THREADED PORTION IN. 11 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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