PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3046Seat,valve

Lawler Manufacturing Company, Inc. · NSN 4820-00-022-3223 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-022-3223 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-022-3223. Primary manufacturer part number: 3046.
Features
  • Seat,valve — FSC 4820
  • Thread Class: 3A SINGLE THREADED PORTION A
  • Thread Length: 0.625 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Flange Seat to Disk End Height: 1.250 INCHES NOMINAL IN
  • Seat Angle in Deg: 0.750 NOMINAL
  • Seating Surface Shape: ANGULAR
  • Style Designator: THREADED FLANGED
  • Nominal Thread Size: 1.625 INCHES SINGLE THREADED PORTION IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel or Copper Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-022-3223, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 12 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-022-3223
Primary Part Number3046
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Thread Class3A SINGLE THREADED PORTION A
Thread Length0.625 INCHES NOMINAL SINGLE THREADED PORTION IN
Flange Seat to Disk End Height1.250 INCHES NOMINAL IN
Seat Angle in Deg0.750 NOMINAL
Seating Surface ShapeANGULAR
Style DesignatorTHREADED FLANGED
Nominal Thread Size1.625 INCHES SINGLE THREADED PORTION IN
Flange Diameter2.125 INCHES NOMINAL IN
Thread Series DesignatorUNEF SINGLE THREADED PORTION
Body Inside Diameter1.250 INCHES NOMINAL IN
Under Flange Height0.625 INCHES NOMINAL IN
MaterialNICKEL OR COPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5920-00-224-16321413 INTERCHANGEABLE
Fuse Link,electrical
Cooper Bussmann, Llc Dba Cooper Industries
6220-00-250-54611200 INTERCHANGEABLE
Lens,light
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
4820-00-287-218955H19 INTERCHANGEABLE
Valve,safety Relief
Union Carbide Corp Sub of Dow Co the
4720-00-722-4723 INTERCHANGEABLE
Hose,nonmetallic
6505-00-781-845210403 INTERCHANGEABLE
Amitriptyline Hydrochloride Tabl
Goldline Laboratories, Inc. Dba Goldline Laboratories
5950-00-794-38773046 INTERCHANGEABLE
Transformer,power
Ballantine Laboratories Inc
2910-00-862-079133046 INTERCHANGEABLE
Filter,fluid
Wix Corp
4130-01-182-46573046 INTERCHANGEABLE
Plunger,spigot
M D Holdings Llc Dba Saniserv
4820-01-294-44043046-26MA10-170 INTERCHANGEABLE
Stem,fluid Valve
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
5340-01-421-9488SC-C-681520 INTERCHANGEABLE
Strap,retaining
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
140-00 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
3046 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
5920-00-224-1632INTERCHANGEABLE
FUSE LINK,ELECTRICAL
1413
6220-00-250-5461INTERCHANGEABLE
LENS,LIGHT
1200
4820-00-287-2189INTERCHANGEABLE
VALVE,SAFETY RELIEF
55H19
4720-00-722-4723INTERCHANGEABLE
HOSE,NONMETALLIC
6505-00-781-8452INTERCHANGEABLE
AMITRIPTYLINE HYDROCHLORIDE TABL
10403
5950-00-794-3877INTERCHANGEABLE
TRANSFORMER,POWER
3046
2910-00-862-0791INTERCHANGEABLE
FILTER,FLUID
33046
4130-01-182-4657INTERCHANGEABLE
PLUNGER,SPIGOT
3046
4820-01-294-4404INTERCHANGEABLE
STEM,FLUID VALVE
3046-26MA10-170
5340-01-421-9488INTERCHANGEABLE
STRAP,RETAINING
SC-C-681520
5340-01-606-8131INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
3046

Frequently Asked Questions

What is NSN 4820-00-022-3223?

NSN 4820-00-022-3223 is a Seat,valve, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-022-3223?

NSN 4820-00-022-3223 has 2 cross-referenced part numbers: 140-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 3046 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-00-022-3223?

There are 11 known substitutes for 4820-00-022-3223: 5920-00-224-1632, 6220-00-250-5461, 4820-00-287-2189 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3046?

Key specifications for 3046: Thread Class: 3A SINGLE THREADED PORTION A; Thread Length: 0.625 INCHES NOMINAL SINGLE THREADED PORTION IN; Flange Seat to Disk End Height: 1.250 INCHES NOMINAL IN; Seat Angle in Deg: 0.750 NOMINAL. 12 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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