PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51244Seat,valve

Essex Industries, Inc. Dba Essex Industries · NSN 4820-00-425-5888 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-425-5888 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-425-5888. Primary manufacturer part number: 51244.
Features
  • Seat,valve — FSC 4820
  • Thread Series Designator: UN SINGLE THREADED PORTION
  • Style Designator: FAUCET
  • Material: STEEL OVERALL
  • Thread Length: 0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Thread Quantity Per Inch: 20 SINGLE THREADED PORTION
  • Flange Seat to Disk End Height: 0.250 INCHES NOMINAL IN
  • Body Inside Diameter: 0.406 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-425-5888, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN4820-00-425-5888
Primary Part Number51244
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
Thread Series DesignatorUN SINGLE THREADED PORTION
Style DesignatorFAUCET
MaterialSTEEL OVERALL
Thread Length0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
Thread Quantity Per Inch20 SINGLE THREADED PORTION
Flange Seat to Disk End Height0.250 INCHES NOMINAL IN
Body Inside Diameter0.406 INCHES NOMINAL IN
Nominal Thread Size0.625 INCHES SINGLE THREADED PORTION IN
Flange Diameter0.688 INCHES NOMINAL IN
Under Flange Height0.188 INCHES NOMINAL IN
Thread Class2A SINGLE THREADED PORTION A
Seat Radius0.062 INCHES NOMINAL IN
Seating Surface ShapeRADIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2915-00-064-056351244 INTERCHANGEABLE
Parts Kit,actuator
Meggitt North Hollywood Inc
5355-00-111-26848194 INTERCHANGEABLE
Knob
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
7530-00-268-3993 INTERCHANGEABLE
Envelope,wallet
5365-00-560-5749 INTERCHANGEABLE
Shim
5930-00-583-2125 INTERCHANGEABLE
Switch,lever
4730-00-629-0868 INTERCHANGEABLE
Sleeve,flared,tube Fitting
6105-00-669-5858299574PC4 INTERCHANGEABLE
Motor,alternating Current
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5360-01-033-705251244 INTERCHANGEABLE
Spring,helical,compression
L3 Technologies, Inc. Div L3 Keo
4810-01-063-8675 INTERCHANGEABLE
Parts Kit,solenoid Valve
3120-01-205-9266 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
51244 PRIMARY Essex Industries, Inc. Dba Essex Industries (USA)
8194 Interline Brands, Inc. Dba J. a. Sexauer (USA)
Related Parts
2915-00-064-0563INTERCHANGEABLE
PARTS KIT,ACTUATOR
51244
5355-00-111-2684INTERCHANGEABLE
KNOB
8194
7530-00-268-3993INTERCHANGEABLE
ENVELOPE,WALLET
5365-00-560-5749INTERCHANGEABLE
SHIM
5930-00-583-2125INTERCHANGEABLE
SWITCH,LEVER
4730-00-629-0868INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
6105-00-669-5858INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
299574PC4
5360-01-033-7052INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
51244
4810-01-063-8675INTERCHANGEABLE
PARTS KIT,SOLENOID VALVE
3120-01-205-9266INTERCHANGEABLE
BUSHING,SLEEVE
6510-01-271-7670INTERCHANGEABLE
PAD,ABDOMINAL
4820-01-316-0085INTERCHANGEABLE
VALVE,ANGLE
136UBT 1.50IN

Frequently Asked Questions

What is NSN 4820-00-425-5888?

NSN 4820-00-425-5888 is a Seat,valve, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-425-5888?

NSN 4820-00-425-5888 has 2 cross-referenced part numbers: 51244 (Essex Industries, Inc. Dba Essex Industries), 8194 (Interline Brands, Inc. Dba J. a. Sexauer).

What NSN replaces 4820-00-425-5888?

There are 12 known substitutes for 4820-00-425-5888: 2915-00-064-0563, 5355-00-111-2684, 7530-00-268-3993 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51244?

Key specifications for 51244: Thread Series Designator: UN SINGLE THREADED PORTION; Style Designator: FAUCET; Material: STEEL OVERALL; Thread Length: 0.188 INCHES NOMINAL SINGLE THREADED PORTION IN. 13 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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