PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2012Seat,valve

Radiator Specialty Company · NSN 4820-00-363-5874 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-363-5874 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-363-5874. Primary manufacturer part number: S2012.
Features
  • Seat,valve — FSC 4820
  • Thread Series Designator: UNF SINGLE THREADED PORTION
  • Style Designator: FAUCET
  • Material: COPPER ALLOY OVERALL
  • Thread Class: 2A SINGLE THREADED PORTION A
  • Thread Length: 0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Nominal Thread Size: 0.500 INCHES SINGLE THREADED PORTION IN
  • Body Inside Diameter: 0.305 INCHES NOMINAL IN
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 4820-00-363-5874, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Radiator Specialty Company. Government technical data includes 12 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-363-5874
Primary Part NumberS2012
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRadiator Specialty Company
StatusCANCELLED
Thread Series DesignatorUNF SINGLE THREADED PORTION
Style DesignatorFAUCET
MaterialCOPPER ALLOY OVERALL
Thread Class2A SINGLE THREADED PORTION A
Thread Length0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
Nominal Thread Size0.500 INCHES SINGLE THREADED PORTION IN
Body Inside Diameter0.305 INCHES NOMINAL IN
Flange Diameter0.587 INCHES NOMINAL IN
Flange Seat to Disk End Height0.150 INCHES NOMINAL IN
Under Flange Height0.200 INCHES NOMINAL IN
Seating Surface ShapeANGULAR
Seat Angle in Deg0.750 NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5340-00-040-23815-7-16 INTERCHANGEABLE
Cover,access
Trailmobile Inc Sub of the Pullman Co
6105-00-078-8644 INTERCHANGEABLE
Motor,alternating Current
6240-00-145-1536 INTERCHANGEABLE
Lamp,incandescent
5310-00-285-1617 INTERCHANGEABLE
Washer,flat
5305-00-335-42548380612 INTERCHANGEABLE
Setscrew
U S Army Tank Automotive Command Amsta-Im-Mm
5120-00-361-2239 INTERCHANGEABLE
Socket,socket Wrench
5998-00-364-082870-1372 INTERCHANGEABLE
Circuit Card Assembly
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5935-00-420-7941GE4138-3 INTERCHANGEABLE
Connector,receptacle,electrical
General Electric Co Wiring Device Dept
2910-00-466-529861776R92 INTERCHANGEABLE
Carburetor,float
Navistar Intl Corp Truck Br Ohio Plant
5962-00-482-5624128C827H03 INTERCHANGEABLE
Microcircuit,linear
Northrop Grumman Support Services Corp
Cross-Reference Index
Part NumberManufacturer
970-510 Price-Pfister Brass Mfg Co (USA)
071324 Interline Brands, Inc. Dba J. a. Sexauer (USA)
S2012 PRIMARY Radiator Specialty Company (USA)
5716 Price-Pfister Brass Mfg Co (USA)
7132 Interline Brands, Inc. Dba J. a. Sexauer (USA)
Related Parts
5340-00-040-2381INTERCHANGEABLE
COVER,ACCESS
5-7-16
6105-00-078-8644INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6240-00-145-1536INTERCHANGEABLE
LAMP,INCANDESCENT
5310-00-285-1617INTERCHANGEABLE
WASHER,FLAT
5305-00-335-4254INTERCHANGEABLE
SETSCREW
8380612
5120-00-361-2239INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5998-00-364-0828INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
70-1372
5935-00-420-7941INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
GE4138-3
2910-00-466-5298INTERCHANGEABLE
CARBURETOR,FLOAT
61776R92
5962-00-482-5624INTERCHANGEABLE
MICROCIRCUIT,LINEAR
128C827H03
3120-00-661-3937INTERCHANGEABLE
BEARING,SLEEVE
1620-00-756-9172INTERCHANGEABLE
SHAFT,SHORTENING ME
5716

Frequently Asked Questions

What is NSN 4820-00-363-5874?

NSN 4820-00-363-5874 is a Seat,valve, manufactured by Radiator Specialty Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-363-5874?

NSN 4820-00-363-5874 has 5 cross-referenced part numbers: 970-510 (Price-Pfister Brass Mfg Co), 071324 (Interline Brands, Inc. Dba J. a. Sexauer), S2012 (Radiator Specialty Company), 5716 (Price-Pfister Brass Mfg Co), 7132 (Interline Brands, Inc. Dba J. a. Sexauer).

What NSN replaces 4820-00-363-5874?

There are 12 known substitutes for 4820-00-363-5874: 5340-00-040-2381, 6105-00-078-8644, 6240-00-145-1536 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S2012?

Key specifications for S2012: Thread Series Designator: UNF SINGLE THREADED PORTION; Style Designator: FAUCET; Material: COPPER ALLOY OVERALL; Thread Class: 2A SINGLE THREADED PORTION A. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-363-5874 still in active supply?

NSN 4820-00-363-5874 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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