PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50278-41-75Bottom Cap,complete,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-088-9715 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-088-9715 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-088-9715. Primary manufacturer part number: 50278-41-75.
Features
  • Bottom Cap,complete,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 Bottom Cap,complete,valve, cataloged under National Stock Number 4820-01-088-9715, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBottom Cap,complete,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-088-9715
Primary Part Number50278-41-75
Item NameBottom Cap,complete,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-912-7196 INTERCHANGEABLE
Gasket
5340-01-088-9714A35539 INTERCHANGEABLE
Seat,helical Compression Spring
Leslie Controls, Inc. Dba Leslie Controls Inc
5340-01-089-087635540 2IN INTERCHANGEABLE
Seat,helical Compression Spring
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-092-836751229 2IN INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5365-01-093-262051227 2IN INTERCHANGEABLE
Spacer,diaphragm,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-096-1673N51230 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-01-131-772919909NPIECE10 2IN INTERCHANGEABLE
Locknut,tube Fitting
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
50278-41-75 2IN Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
19909N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
19909NPC23-2IN Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
50278-75-2IN Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
50278-41-75 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5330-00-912-7196INTERCHANGEABLE
GASKET
5340-01-088-9714INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
A35539
5340-01-089-0876INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
35540 2IN
4820-01-092-8367INTERCHANGEABLE
STEM,FLUID VALVE
51229 2IN
5365-01-093-2620INTERCHANGEABLE
SPACER,DIAPHRAGM,VALVE
51227 2IN
4820-01-096-1673INTERCHANGEABLE
STEM,FLUID VALVE
N51230
4730-01-131-7729INTERCHANGEABLE
LOCKNUT,TUBE FITTING
19909NPIECE10 2IN

Frequently Asked Questions

What is NSN 4820-01-088-9715?

NSN 4820-01-088-9715 is a Bottom Cap,complete,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 4820-01-088-9715?

NSN 4820-01-088-9715 has 5 cross-referenced part numbers: 50278-41-75 2IN (Leslie Controls, Inc. Dba Leslie Controls Inc), 19909N (Leslie Controls, Inc. Dba Leslie Controls Inc), 19909NPC23-2IN (Leslie Controls, Inc. Dba Leslie Controls Inc), 50278-75-2IN (Leslie Controls, Inc. Dba Leslie Controls Inc), 50278-41-75 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-088-9715?

There are 7 known substitutes for 4820-01-088-9715: 5330-00-912-7196, 5340-01-088-9714, 5340-01-089-0876 and 4 more. Verify interchangeability with system specifications before substitution.

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