PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30369Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-370-5428 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-370-5428 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-370-5428. Primary manufacturer part number: 30369.
Features
  • Seat,valve — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-370-5428, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-370-5428
Primary Part Number30369
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-554-3184 INTERCHANGEABLE
Bearing,ball,annular
5930-00-859-0012299-39 INTERCHANGEABLE
Arm,switch Actuator
Dukes Aerospace, Inc.
3110-01-103-79905428337-2 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
8520-01-149-4129 INTERCHANGEABLE
Shampoo
4820-01-370-5299N-70273 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-370-530633000 INTERCHANGEABLE
Retainer,disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5935-01-591-61083036-9 INTERCHANGEABLE
Connector Assembly,electrical
Coaxial Components Corp. Dba Coaxial Components Corp
6620-01-649-751130369 INTERCHANGEABLE
Transmitter,pressure
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
29939 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
29939-N ITEM 20 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
20949-N ITEM 20 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
30369 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
20949-N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3110-00-554-3184INTERCHANGEABLE
BEARING,BALL,ANNULAR
5930-00-859-0012INTERCHANGEABLE
ARM,SWITCH ACTUATOR
299-39
3110-01-103-7990INTERCHANGEABLE
BEARING,BALL,ANNULAR
5428337-2
8520-01-149-4129INTERCHANGEABLE
SHAMPOO
4820-01-370-5299INTERCHANGEABLE
CAP,VALVE
N-70273
4820-01-370-5306INTERCHANGEABLE
RETAINER,DISK,VALVE
33000
5935-01-591-6108INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
3036-9
6620-01-649-7511INTERCHANGEABLE
TRANSMITTER,PRESSURE
30369

Frequently Asked Questions

What is NSN 4820-01-370-5428?

NSN 4820-01-370-5428 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-370-5428?

NSN 4820-01-370-5428 has 5 cross-referenced part numbers: 29939 (Leslie Controls, Inc. Dba Leslie Controls Inc), 29939-N ITEM 20 (Leslie Controls, Inc. Dba Leslie Controls Inc), 20949-N ITEM 20 (Leslie Controls, Inc. Dba Leslie Controls Inc), 30369 (Leslie Controls, Inc. Dba Leslie Controls Inc), 20949-N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-370-5428?

There are 8 known substitutes for 4820-01-370-5428: 3110-00-554-3184, 5930-00-859-0012, 3110-01-103-7990 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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