PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42017Positioner,diaphragm

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-191-8515 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-191-8515 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-191-8515. Primary manufacturer part number: 42017.
Features
  • Positioner,diaphragm — FSC 4820
  • General Characteristics Item Description: BRONZE ASTMB61-52;OD 5.250 IN.;CONVEX SEATING SURFACE WITH A 0.750 IN. DIA FLAT CENTER TOP SDE;0.875 IN. OD SHANK,BOTTOM SIDE;ID 0.438 IN. DIA,COUNTERSUNK 45 DEG ANGLE IN
  • 3 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Positioner,diaphragm, cataloged under National Stock Number 4820-01-191-8515, 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 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-191-8515
Primary Part Number42017
Item NamePositioner,diaphragm
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
General Characteristics Item DescriptionBRONZE ASTMB61-52;OD 5.250 IN.;CONVEX SEATING SURFACE WITH A 0.750 IN. DIA FLAT CENTER TOP SDE;0.875 IN. OD SHANK,BOTTOM SIDE;ID 0.438 IN. DIA,COUNTERSUNK 45 DEG ANGLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5999-00-674-9473 INTERCHANGEABLE
Heater,thermal Release
3040-00-870-42151618671 INTERCHANGEABLE
Shaft,straight
Chrysler Realty Company Llc Dba Daimler Chrysler
5999-01-176-550742017 INTERCHANGEABLE
Heater,thermal Release
Drc Acquisition Inc
5950-01-331-31668509753-1 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
Cross-Reference Index
Part NumberManufacturer
15832N PIECE 6 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
42017 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
15832N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5999-00-674-9473INTERCHANGEABLE
HEATER,THERMAL RELEASE
3040-00-870-4215INTERCHANGEABLE
SHAFT,STRAIGHT
1618671
5999-01-176-5507INTERCHANGEABLE
HEATER,THERMAL RELEASE
42017
5950-01-331-3166INTERCHANGEABLE
TRANSFORMER,POWER
8509753-1

Frequently Asked Questions

What is NSN 4820-01-191-8515?

NSN 4820-01-191-8515 is a Positioner,diaphragm, 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 4820-01-191-8515?

NSN 4820-01-191-8515 has 3 cross-referenced part numbers: 15832N PIECE 6 (Leslie Controls, Inc. Dba Leslie Controls Inc), 42017 (Leslie Controls, Inc. Dba Leslie Controls Inc), 15832N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-191-8515?

There are 4 known substitutes for 4820-01-191-8515: 5999-00-674-9473, 3040-00-870-4215, 5999-01-176-5507 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42017?

Key specifications for 42017: General Characteristics Item Description: BRONZE ASTMB61-52;OD 5.250 IN.;CONVEX SEATING SURFACE WITH A 0.750 IN. DIA FLAT CENTER TOP SDE;0.875 IN. OD SHANK,BOTTOM SIDE;ID 0.438 IN. DIA,COUNTERSUNK 45 DEG ANGLE IN. 1 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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