PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N45953Diaphragm,valve,flat

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-772-1950 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-772-1950 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-772-1950. Primary manufacturer part number: N45953.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Style Designator: FLAT
  • Material Thickness: 0.005 INCHES NOMINAL IN
  • Outside Diameter: 8.500 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • 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
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-772-1950, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-772-1950
Primary Part NumberN45953
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
Style DesignatorFLAT
Material Thickness0.005 INCHES NOMINAL IN
Outside Diameter8.500 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5340-00-518-79280032056 INTERCHANGEABLE
Boot,dust and Moisture Seal
New Holland Construction
5340-00-623-1180 INTERCHANGEABLE
Standoff,threaded,spacing
4730-00-684-65513205-6 INTERCHANGEABLE
Coupling Half,quick Disconnect
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5940-00-864-954232056 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
4730-00-914-28805056 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
5950-01-276-8105320-56 INTERCHANGEABLE
Transformer Assembly
Anritsu Company
5310-01-416-0130459-53 INTERCHANGEABLE
Washer,flat
Lockheed Martin Corp
4730-01-663-425268560 INTERCHANGEABLE
Clamp Hose Set
Epicor Industries Inc Ideal Div
Cross-Reference Index
Part NumberManufacturer
45953 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N45953 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
15017NPC17 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
32056 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
15089NPC17 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5340-00-518-7928INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
0032056
5340-00-623-1180INTERCHANGEABLE
STANDOFF,THREADED,SPACING
4730-00-684-6551INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3205-6
5940-00-864-9542INTERCHANGEABLE
TERMINAL,LUG
32056
4730-00-914-2880INTERCHANGEABLE
CLAMP,HOSE
5056
5950-01-276-8105INTERCHANGEABLE
TRANSFORMER ASSEMBLY
320-56
5310-01-416-0130INTERCHANGEABLE
WASHER,FLAT
459-53
4730-01-663-4252INTERCHANGEABLE
CLAMP HOSE SET
68560

Frequently Asked Questions

What is NSN 4820-00-772-1950?

NSN 4820-00-772-1950 is a Diaphragm,valve,flat, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-772-1950?

NSN 4820-00-772-1950 has 5 cross-referenced part numbers: 45953 (Leslie Controls, Inc. Dba Leslie Controls Inc), N45953 (Leslie Controls, Inc. Dba Leslie Controls Inc), 15017NPC17 (Leslie Controls, Inc. Dba Leslie Controls Inc), 32056 (Leslie Controls, Inc. Dba Leslie Controls Inc), 15089NPC17 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-772-1950?

There are 8 known substitutes for 4820-00-772-1950: 5340-00-518-7928, 5340-00-623-1180, 4730-00-684-6551 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N45953?

Key specifications for N45953: Style Designator: FLAT; Material Thickness: 0.005 INCHES NOMINAL IN; Outside Diameter: 8.500 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-772-1950 still in active supply?

NSN 4820-00-772-1950 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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