PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N1236894Diaphragm,valve,flat

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-343-6957 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-343-6957 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-343-6957. Primary manufacturer part number: N1236894.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Center Hole Diameter: 0.375 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • Style Designator: FLAT
  • Material Thickness: 0.026 INCHES NOMINAL IN
  • Outside Diameter: 1.688 INCHES NOMINAL IN
  • 4 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 Rubber Synthetic construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-343-6957, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-343-6957
Primary Part NumberN1236894
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Center Hole Diameter0.375 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Style DesignatorFLAT
Material Thickness0.026 INCHES NOMINAL IN
Outside Diameter1.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3530-00-359-713812368 INTERCHANGEABLE
Bar,feed
Singer Industrial Sewing Products Co Cutters Exchange Div
5950-00-445-656612368 INTERCHANGEABLE
Transformer,radio Frequency
Astec America Inc.
3040-00-939-261512368 INTERCHANGEABLE
Connecting Link,rigid
Aerosonic Llc
5999-01-093-4593 INTERCHANGEABLE
Mounting Pad,electrical-Electron
4820-01-137-2413 INTERCHANGEABLE
Diaphragm,valve,flat
3040-01-222-471340-12368 INTERCHANGEABLE
Hub,body
Funk Mfg Co Sub of Deere and Co
6150-01-253-6800B14162 INTERCHANGEABLE
Bus,conductor
Circuit Components Inc.
4530-01-368-554332192 INTERCHANGEABLE
Tip,oil Burner
Rosco Mfg Co
4320-01-418-210312368 14010 INTERCHANGEABLE
Impeller,pump,centrifugal
The Gorman-Rupp Company Div Gorman-Rupp
6115-01-553-1687RE544045 INTERCHANGEABLE
Generator,alternating Current
Deere & Company Dba Deere John Co
Cross-Reference Index
Part NumberManufacturer
N1236894 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1236894 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12368 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12368 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
Related Parts
3530-00-359-7138INTERCHANGEABLE
BAR,FEED
12368
5950-00-445-6566INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
12368
3040-00-939-2615INTERCHANGEABLE
CONNECTING LINK,RIGID
12368
5999-01-093-4593INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
4820-01-137-2413INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
3040-01-222-4713INTERCHANGEABLE
HUB,BODY
40-12368
6150-01-253-6800INTERCHANGEABLE
BUS,CONDUCTOR
B14162
4530-01-368-5543INTERCHANGEABLE
TIP,OIL BURNER
32192
4320-01-418-2103INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
12368 14010
6115-01-553-1687INTERCHANGEABLE
GENERATOR,ALTERNATING CURRENT
RE544045
6525-01-575-0111INTERCHANGEABLE
FILTER,FAN,COMPUTED RADIOGRAPHY
900-0061-03

Frequently Asked Questions

What is NSN 4820-00-343-6957?

NSN 4820-00-343-6957 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 4820-00-343-6957?

NSN 4820-00-343-6957 has 4 cross-referenced part numbers: N1236894 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1236894 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12368 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12368 (Lineta Engineering Und Handelsgesell-Schaft Mbh).

What NSN replaces 4820-00-343-6957?

There are 11 known substitutes for 4820-00-343-6957: 3530-00-359-7138, 5950-00-445-6566, 3040-00-939-2615 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N1236894?

Key specifications for N1236894: Center Hole Diameter: 0.375 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC; Style Designator: FLAT; Material Thickness: 0.026 INCHES NOMINAL IN. 5 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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