PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N1247694Diaphragm,valve,flat

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-036-1640 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1640 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1640. Primary manufacturer part number: N1247694.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Style Designator: FLAT
  • Outside Diameter: 4.906 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 0.500 INCHES NOMINAL IN
  • Material Thickness: 0.034 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 4820-00-036-1640, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1640
Primary Part NumberN1247694
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Style DesignatorFLAT
Outside Diameter4.906 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Center Hole Diameter0.500 INCHES NOMINAL IN
Material Thickness0.034 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-100-0516 INTERCHANGEABLE
Cup,tapered Roller Bearing
5310-00-308-5331 INTERCHANGEABLE
Nut,plain,knurled
6145-00-669-59652268811 INTERCHANGEABLE
Cable,special Purpose,electrical
Naval Sea Systems Command
4820-01-135-6306 INTERCHANGEABLE
Diaphragm,valve,flat
4720-01-193-0680012476 INTERCHANGEABLE
Tubing
Abd Intl Inc Dba Abdick
Cross-Reference Index
Part NumberManufacturer
1247694 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12476 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12476 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
N1247694 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3110-00-100-0516INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5310-00-308-5331INTERCHANGEABLE
NUT,PLAIN,KNURLED
6145-00-669-5965INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
2268811
4820-01-135-6306INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
4720-01-193-0680INTERCHANGEABLE
TUBING
012476

Frequently Asked Questions

What is NSN 4820-00-036-1640?

NSN 4820-00-036-1640 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 4820-00-036-1640?

NSN 4820-00-036-1640 has 4 cross-referenced part numbers: 1247694 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12476 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12476 (Lineta Engineering Und Handelsgesell-Schaft Mbh), N1247694 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-036-1640?

There are 5 known substitutes for 4820-00-036-1640: 3110-00-100-0516, 5310-00-308-5331, 6145-00-669-5965 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N1247694?

Key specifications for N1247694: Style Designator: FLAT; Outside Diameter: 4.906 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC; Center Hole Diameter: 0.500 INCHES NOMINAL IN. 6 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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