PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7618Seat,valve

Lawler Manufacturing Company, Inc. · NSN 4820-01-074-7929 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-074-7929 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-074-7929. Primary manufacturer part number: 7618.
Features
  • Seat,valve — FSC 4820
  • Thread Series Designator: UNEF SINGLE THREADED PORTION
  • Material: STEEL COMP 303 OVERALL
  • Style Designator: THREADED FLANGED
  • Body Inside Diameter: 1.062 INCHES NOMINAL IN
  • Thread Class: 2A SINGLE THREADED PORTION A
  • Nominal Thread Size: 1.625 INCHES SINGLE THREADED PORTION IN
  • Seat Angle in Deg: 32.000 NOMINAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-074-7929, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-074-7929
Primary Part Number7618
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Thread Series DesignatorUNEF SINGLE THREADED PORTION
MaterialSTEEL COMP 303 OVERALL
Style DesignatorTHREADED FLANGED
Body Inside Diameter1.062 INCHES NOMINAL IN
Thread Class2A SINGLE THREADED PORTION A
Nominal Thread Size1.625 INCHES SINGLE THREADED PORTION IN
Seat Angle in Deg32.000 NOMINAL
Thread Length0.406 INCHES NOMINAL SINGLE THREADED PORTION IN
Flange Seat to Disk End Height0.375 INCHES NOMINAL IN
Under Flange Height0.500 INCHES NOMINAL IN
Seating Surface ShapeANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-293-9307 INTERCHANGEABLE
Bearing,ball,annular
5945-00-394-18797618 INTERCHANGEABLE
Retainer,electrical Relay
Te Connectivity Corporation
5360-00-526-3865 INTERCHANGEABLE
Spring,helical,extension
3930-00-759-97387618 INTERCHANGEABLE
Pin Assembly
Danuser Machine Co
5998-01-139-0248MT7618F INTERCHANGEABLE
Electronic Components Assembly
Maury Microwave, Inc. Dba Maury Microwave
6145-01-476-03267618 INTERCHANGEABLE
Cable,power,electrical
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Cross-Reference Index
Part NumberManufacturer
7618 PRIMARY Lawler Manufacturing Company, Inc. (USA)
72593PPIECE 47 Lawler Manufacturing Company, Inc. (USA)
7618 Itt Fluid Technology Corp Itt Mcdonnell and Miller (USA)
Related Parts
3110-00-293-9307INTERCHANGEABLE
BEARING,BALL,ANNULAR
5945-00-394-1879INTERCHANGEABLE
RETAINER,ELECTRICAL RELAY
7618
5360-00-526-3865INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
3930-00-759-9738INTERCHANGEABLE
PIN ASSEMBLY
7618
5998-01-139-0248INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
MT7618F
6145-01-476-0326INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
7618

Frequently Asked Questions

What is NSN 4820-01-074-7929?

NSN 4820-01-074-7929 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 4820-01-074-7929?

NSN 4820-01-074-7929 has 3 cross-referenced part numbers: 7618 (Lawler Manufacturing Company, Inc.), 72593PPIECE 47 (Lawler Manufacturing Company, Inc.), 7618 (Itt Fluid Technology Corp Itt Mcdonnell and Miller).

What NSN replaces 4820-01-074-7929?

There are 6 known substitutes for 4820-01-074-7929: 3110-00-293-9307, 5945-00-394-1879, 5360-00-526-3865 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7618?

Key specifications for 7618: Thread Series Designator: UNEF SINGLE THREADED PORTION; Material: STEEL COMP 303 OVERALL; Style Designator: THREADED FLANGED; Body Inside Diameter: 1.062 INCHES NOMINAL IN. 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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