PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N54135Stem,fluid Valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-063-8802 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-063-8802 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-063-8802. Primary manufacturer part number: N54135.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Type for Which Designed: REGULATOR
  • Material: NICKEL ALLOY
  • Valve Size for Which Designed: 2.500 INCHES IN
  • 3 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-063-8802, 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. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4820-01-063-8802
Primary Part NumberN54135
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Valve Type for Which DesignedREGULATOR
MaterialNICKEL ALLOY
Valve Size for Which Designed2.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6620-00-064-695054135 INTERCHANGEABLE
Gage,pressure,dial Indicating
Teleflex Inc Electrical Systems Div
3455-00-231-352809600 INTERCHANGEABLE
Cutter,milling,shell End
Niagara Cutter Inc
5940-00-569-610354135 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
5999-01-184-1528923448-5 INTERCHANGEABLE
Delay Line
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4710-01-194-639054135 INTERCHANGEABLE
Tubing,nonmetallic
Malabar
5940-01-464-67505413-5 INTERCHANGEABLE
Terminal,lug
Seastrom Manufacturing Co Inc
Cross-Reference Index
Part NumberManufacturer
N54135 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
54135 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
19965N PIECE 9 PART 54135 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
6620-00-064-6950INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
54135
3455-00-231-3528INTERCHANGEABLE
CUTTER,MILLING,SHELL END
09600
5940-00-569-6103INTERCHANGEABLE
TERMINAL,LUG
54135
5999-01-184-1528INTERCHANGEABLE
DELAY LINE
923448-5
4710-01-194-6390INTERCHANGEABLE
TUBING,NONMETALLIC
54135
5940-01-464-6750INTERCHANGEABLE
TERMINAL,LUG
5413-5

Frequently Asked Questions

What is NSN 4820-01-063-8802?

NSN 4820-01-063-8802 is a Stem,fluid 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 4820-01-063-8802?

NSN 4820-01-063-8802 has 3 cross-referenced part numbers: N54135 (Leslie Controls, Inc. Dba Leslie Controls Inc), 54135 (Leslie Controls, Inc. Dba Leslie Controls Inc), 19965N PIECE 9 PART 54135 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-063-8802?

There are 6 known substitutes for 4820-01-063-8802: 6620-00-064-6950, 3455-00-231-3528, 5940-00-569-6103 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N54135?

Key specifications for N54135: Valve Type for Which Designed: REGULATOR; Material: NICKEL ALLOY; Valve Size for Which Designed: 2.500 INCHES IN. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com