PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

012-500-0003Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-036-1735 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1735 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1735. Primary manufacturer part number: 012-500-0003.
Features
  • Seat,valve — FSC 4820
  • Thread Series Designator: UNS SINGLE THREADED PORTION
  • Thread Length: 0.250 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Material: NICKEL ALLOY OVERALL
  • Body Inside Diameter: 0.812 INCHES NOMINAL IN
  • Thread Class: 3A SINGLE THREADED PORTION A
  • Thread Quantity Per Inch: 24 SINGLE THREADED PORTION
  • Nominal Thread Size: 1.454 INCHES SINGLE THREADED PORTION IN
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 4820-00-036-1735, 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 4 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
NSN4820-00-036-1735
Primary Part Number012-500-0003
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Thread Series DesignatorUNS SINGLE THREADED PORTION
Thread Length0.250 INCHES NOMINAL SINGLE THREADED PORTION IN
MaterialNICKEL ALLOY OVERALL
Body Inside Diameter0.812 INCHES NOMINAL IN
Thread Class3A SINGLE THREADED PORTION A
Thread Quantity Per Inch24 SINGLE THREADED PORTION
Nominal Thread Size1.454 INCHES SINGLE THREADED PORTION IN
Seat Angle in Deg45.000 NOMINAL
Seating Surface ShapeANGULAR
Style DesignatorPLAIN THREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1650-00-011-0843DS-934337 INTERCHANGEABLE
Ring,seal Drive
Eaton Aerospace, Llc Dba Jackson South
5306-00-174-42025214807 INTERCHANGEABLE
Bolt,machine
U S Army Tank Automotive Command Amsta-Im-Mm
5315-00-198-5979MS24692-277 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-00-202-9308204-6 INTERCHANGEABLE
Valve,globe
Superior Valve Co
5935-00-283-2910357-9113-000 INTERCHANGEABLE
Connector,plug,electrical
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4030-00-813-8072 INTERCHANGEABLE
Clamp,line,sliding Grip
4820-00-850-8561 INTERCHANGEABLE
Valve,gate
5940-00-926-0021 INTERCHANGEABLE
Terminal,stud
4720-00-937-7088SM-C-603459 INTERCHANGEABLE
Hose,metallic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2040-01-111-8182515 DP3 CHR INTERCHANGEABLE
Vent
Perko Inc
Cross-Reference Index
Part NumberManufacturer
51-5-3 Kunkle Industries Inc Lonergan Valve Div (USA)
012-500-0003 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
012-500-0003 Kunkle Industries Inc Lonergan Valve Div (USA)
012-500-0003 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
1650-00-011-0843INTERCHANGEABLE
RING,SEAL DRIVE
DS-934337
5306-00-174-4202INTERCHANGEABLE
BOLT,MACHINE
5214807
5315-00-198-5979INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-277
4820-00-202-9308INTERCHANGEABLE
VALVE,GLOBE
204-6
5935-00-283-2910INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
357-9113-000
4030-00-813-8072INTERCHANGEABLE
CLAMP,LINE,SLIDING GRIP
4820-00-850-8561INTERCHANGEABLE
VALVE,GATE
5940-00-926-0021INTERCHANGEABLE
TERMINAL,STUD
4720-00-937-7088INTERCHANGEABLE
HOSE,METALLIC
SM-C-603459
2040-01-111-8182INTERCHANGEABLE
VENT
515 DP3 CHR
5961-01-170-5723INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
515-3
6110-01-203-8822INTERCHANGEABLE
REGULATOR,VOLTAGE
AR78298

Frequently Asked Questions

What is NSN 4820-00-036-1735?

NSN 4820-00-036-1735 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 4820-00-036-1735?

NSN 4820-00-036-1735 has 4 cross-referenced part numbers: 51-5-3 (Kunkle Industries Inc Lonergan Valve Div), 012-500-0003 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 012-500-0003 (Kunkle Industries Inc Lonergan Valve Div), 012-500-0003 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-00-036-1735?

There are 12 known substitutes for 4820-00-036-1735: 1650-00-011-0843, 5306-00-174-4202, 5315-00-198-5979 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 012-500-0003?

Key specifications for 012-500-0003: Thread Series Designator: UNS SINGLE THREADED PORTION; Thread Length: 0.250 INCHES NOMINAL SINGLE THREADED PORTION IN; Material: NICKEL ALLOY OVERALL; Body Inside Diameter: 0.812 INCHES NOMINAL 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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