PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N14090Diaphragm,valve,flat

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-036-1554 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1554 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1554. Primary manufacturer part number: N14090.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Outside Diameter: 7.250 INCHES NOMINAL IN
  • Material Thickness: 0.010 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Style Designator: FLAT
  • 21 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 Copper Alloy construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-036-1554, 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 21 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1554
Primary Part NumberN14090
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Outside Diameter7.250 INCHES NOMINAL IN
Material Thickness0.010 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Style DesignatorFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5130-00-230-752014090 INTERCHANGEABLE
Wheel,abrasive
Black and Decker Us Inc
4310-00-288-1229N03355 INTERCHANGEABLE
Ring,piston
Leslie Controls, Inc. Dba Leslie Controls Inc
4320-00-367-1453CS4320-0203 INTERCHANGEABLE
Cylinder Sleeve
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4820-00-446-335010598 PC 29 AND 30 INTERCHANGEABLE
Guide,valve Stem
Classic Mfg
5970-00-501-1761 INTERCHANGEABLE
Insulator,bowl
4820-00-949-8240N56647 INTERCHANGEABLE
Diaphragm,valve,flat
Leslie Controls, Inc. Dba Leslie Controls Inc
5950-01-023-5954 INTERCHANGEABLE
Reactor
5910-01-065-834030D157G025DF5 INTERCHANGEABLE
Capacitor,fixed,electrolytic
B. Microfarads, Inc. Dba Barker Microfarads
5950-01-092-665314090 INTERCHANGEABLE
Transformer,power
Kurz & Root Generator Company, Llc
7310-01-107-128675360 INTERCHANGEABLE
Cover,steam Table Pan
The Vollrath Company, L.l.c. Div Vollrath
Cross-Reference Index
Part NumberManufacturer
PNS136-22PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS283-2PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
14090 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS136-24PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS283-5PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
9011NPC49 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS283-4ALT2PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N14090 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
14090 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
PNS267PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
8974NPC49 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS283-6ALT1PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
5578NPC49 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
8973NPC49 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS136-21PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
5576NPC49 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
S4700-3000783 Naval Sea Systems Command (USA)
PNS283-3PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS283-1PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS136-20PC57 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5130-00-230-7520INTERCHANGEABLE
WHEEL,ABRASIVE
14090
4310-00-288-1229INTERCHANGEABLE
RING,PISTON
N03355
4320-00-367-1453INTERCHANGEABLE
CYLINDER SLEEVE
CS4320-0203
4820-00-446-3350INTERCHANGEABLE
GUIDE,VALVE STEM
10598 PC 29 AND 30
5970-00-501-1761INTERCHANGEABLE
INSULATOR,BOWL
4820-00-949-8240INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
N56647
5950-01-023-5954INTERCHANGEABLE
REACTOR
5910-01-065-8340INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
30D157G025DF5
5950-01-092-6653INTERCHANGEABLE
TRANSFORMER,POWER
14090
7310-01-107-1286INTERCHANGEABLE
COVER,STEAM TABLE PAN
75360
5995-01-330-2684INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
14090
6720-01-332-9177INTERCHANGEABLE
BODY,CAMERA,STILL PICTURE

Frequently Asked Questions

What is NSN 4820-00-036-1554?

NSN 4820-00-036-1554 is a Diaphragm,valve,flat, 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 4820-00-036-1554?

NSN 4820-00-036-1554 has 21 cross-referenced part numbers: PNS136-22PC57 (Leslie Controls, Inc. Dba Leslie Controls Inc), PNS283-2PC57 (Leslie Controls, Inc. Dba Leslie Controls Inc), 14090 (Leslie Controls, Inc. Dba Leslie Controls Inc), PNS136-24PC57 (Leslie Controls, Inc. Dba Leslie Controls Inc), PNS283-5PC57 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 16 more.

What NSN replaces 4820-00-036-1554?

There are 12 known substitutes for 4820-00-036-1554: 5130-00-230-7520, 4310-00-288-1229, 4320-00-367-1453 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N14090?

Key specifications for N14090: Outside Diameter: 7.250 INCHES NOMINAL IN; Material Thickness: 0.010 INCHES NOMINAL IN; Material: COPPER ALLOY; Style Designator: FLAT. 4 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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