PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N55261Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-170-9792 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-170-9792 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-170-9792. Primary manufacturer part number: N55261.
Features
  • Seat,valve — FSC 4820
  • 4 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 4820-01-170-9792, 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 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 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
NSN4820-01-170-9792
Primary Part NumberN55261
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 10
5330-00-576-3022 INTERCHANGEABLE
Retainer,packing
4820-01-143-3479Y402612708 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-170-981415845N PIECE 8 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-170-983315845N PIECE 11 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-170-983415845N PIECE 29 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-170-9835N47475 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
6105-01-199-324155-26-2 INTERCHANGEABLE
Motor,direct Current
Electromech Technologies Llc
5960-01-235-8941 INTERCHANGEABLE
Electron Tube
5325-01-268-86785526-1 INTERCHANGEABLE
Insert,screw Thread
Howmet Global Fastening Systems Inc Div Camloc Products
8145-01-512-094144150 INTERCHANGEABLE
Cover Modular Stora
Berg Manufacturing, Inc.
Cross-Reference Index
Part NumberManufacturer
N55261 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
55261 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
15845N PIECE 32 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
15845N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5330-00-576-3022INTERCHANGEABLE
RETAINER,PACKING
4820-01-143-3479INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
Y402612708
4820-01-170-9814INTERCHANGEABLE
CAP,VALVE
15845N PIECE 8
4820-01-170-9833INTERCHANGEABLE
CAP,VALVE
15845N PIECE 11
4820-01-170-9834INTERCHANGEABLE
CAP,VALVE
15845N PIECE 29
4820-01-170-9835INTERCHANGEABLE
CAP,VALVE
N47475
6105-01-199-3241INTERCHANGEABLE
MOTOR,DIRECT CURRENT
55-26-2
5960-01-235-8941INTERCHANGEABLE
ELECTRON TUBE
5325-01-268-8678INTERCHANGEABLE
INSERT,SCREW THREAD
5526-1
8145-01-512-0941INTERCHANGEABLE
COVER MODULAR STORA
44150

Frequently Asked Questions

What is NSN 4820-01-170-9792?

NSN 4820-01-170-9792 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 4820-01-170-9792?

NSN 4820-01-170-9792 has 4 cross-referenced part numbers: N55261 (Leslie Controls, Inc. Dba Leslie Controls Inc), 55261 (Leslie Controls, Inc. Dba Leslie Controls Inc), 15845N PIECE 32 (Leslie Controls, Inc. Dba Leslie Controls Inc), 15845N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-170-9792?

There are 10 known substitutes for 4820-01-170-9792: 5330-00-576-3022, 4820-01-143-3479, 4820-01-170-9814 and 7 more. Verify interchangeability with system specifications before substitution.

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