PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NMP329PC41Seat,valve

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-00-036-1776 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1776 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1776. Primary manufacturer part number: NMP329PC41.
Features
  • Seat,valve — FSC 4820
  • Body Inside Diameter: 1.938 INCHES NOMINAL IN
  • Style Designator: PLAIN THREADED
  • Thread Quantity Per Inch: 16 SINGLE THREADED PORTION
  • Seat Angle in Deg: 0.750 NOMINAL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Seating Surface Shape: ANGULAR
  • Thread Length: 1.219 INCHES NOMINAL SINGLE THREADED PORTION IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-036-1776, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN4820-00-036-1776
Primary Part NumberNMP329PC41
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Body Inside Diameter1.938 INCHES NOMINAL IN
Style DesignatorPLAIN THREADED
Thread Quantity Per Inch16 SINGLE THREADED PORTION
Seat Angle in Deg0.750 NOMINAL
MaterialSTEEL CORROSION RESISTING OVERALL
Seating Surface ShapeANGULAR
Thread Length1.219 INCHES NOMINAL SINGLE THREADED PORTION IN
Thread Series DesignatorUN SINGLE THREADED PORTION
Thread Class2A SINGLE THREADED PORTION A
Nominal Thread Size2.750 INCHES SINGLE THREADED PORTION IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-17780103050073 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5330-00-064-6992 INTERCHANGEABLE
Packing,preformed
5120-00-224-3105 INTERCHANGEABLE
Wrench,open End Box
5305-00-292-8403 INTERCHANGEABLE
Screw,machine
4510-00-328-5356 INTERCHANGEABLE
Stem,faucet
5305-00-349-81844136 INTERCHANGEABLE
Screw,seat Wheel
Wakmann Watch Company Inc
5950-01-186-0208567273-3 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
4820-01-198-54371319-1 INTERCHANGEABLE
Control Valve
Balcrank Products Inc
2530-01-255-89954136 INTERCHANGEABLE
Deflector,dirt and Liquid
Breton Industries, Inc
5120-01-335-9047 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
0103020073 Kunkle Industries Inc Lonergan Valve Div (USA)
41-3-6 Kunkle Industries Inc Lonergan Valve Div (USA)
NMP329PC41 PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
NMP329PC41 Kunkle Industries Inc Lonergan Valve Div (USA)
0103020073 PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
41-3-6 PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4820-00-036-1778INTERCHANGEABLE
SEAT,VALVE
0103050073
5330-00-064-6992INTERCHANGEABLE
PACKING,PREFORMED
5120-00-224-3105INTERCHANGEABLE
WRENCH,OPEN END BOX
5305-00-292-8403INTERCHANGEABLE
SCREW,MACHINE
4510-00-328-5356INTERCHANGEABLE
STEM,FAUCET
5305-00-349-8184INTERCHANGEABLE
SCREW,SEAT WHEEL
4136
5950-01-186-0208INTERCHANGEABLE
TRANSFORMER,POWER
567273-3
4820-01-198-5437INTERCHANGEABLE
CONTROL VALVE
1319-1
2530-01-255-8995INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
4136
5120-01-335-9047INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4810-01-344-1821INTERCHANGEABLE
BODY,VALVE
4136
6515-01-418-9399INTERCHANGEABLE
BLADE,INCISOR
4136

Frequently Asked Questions

What is NSN 4820-00-036-1776?

NSN 4820-00-036-1776 is a Seat,valve, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1776?

NSN 4820-00-036-1776 has 6 cross-referenced part numbers: 0103020073 (Kunkle Industries Inc Lonergan Valve Div), 41-3-6 (Kunkle Industries Inc Lonergan Valve Div), NMP329PC41 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), NMP329PC41 (Kunkle Industries Inc Lonergan Valve Div), 0103020073 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 1 more.

What NSN replaces 4820-00-036-1776?

There are 12 known substitutes for 4820-00-036-1776: 4820-00-036-1778, 5330-00-064-6992, 5120-00-224-3105 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NMP329PC41?

Key specifications for NMP329PC41: Body Inside Diameter: 1.938 INCHES NOMINAL IN; Style Designator: PLAIN THREADED; Thread Quantity Per Inch: 16 SINGLE THREADED PORTION; Seat Angle in Deg: 0.750 NOMINAL. 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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