PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N21996Diaphragm,actuator Valve,special

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-216-9074 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-216-9074 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-216-9074. Primary manufacturer part number: N21996.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Style Designator: SPECIAL SHAPED
  • Outside Diameter: 1.880 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Center Hole Diameter: 0.250 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 Copper Alloy construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-00-216-9074, 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 4 commercial cross-references from 3 manufacturers, 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
NSN4820-00-216-9074
Primary Part NumberN21996
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Style DesignatorSPECIAL SHAPED
Outside Diameter1.880 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Center Hole Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5365-00-033-2533 INTERCHANGEABLE
Shim
5330-00-599-9548 INTERCHANGEABLE
Packing Material
6515-01-166-0151219.96 INTERCHANGEABLE
Nut,bone Screw
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
6550-01-592-2081R4653070 INTERCHANGEABLE
Bacteria Culture Control Loop Se
Thermo Fisher Scientific (asheville) Llc Div Laboratory Products Division
Cross-Reference Index
Part NumberManufacturer
4820PL0953952 Jednolity Indeks Materialowy - Uniform Material Index (POL)
21996 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
21996 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
N21996 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5365-00-033-2533INTERCHANGEABLE
SHIM
5330-00-599-9548INTERCHANGEABLE
PACKING MATERIAL
6515-01-166-0151INTERCHANGEABLE
NUT,BONE SCREW
219.96
6550-01-592-2081INTERCHANGEABLE
BACTERIA CULTURE CONTROL LOOP SE
R4653070

Frequently Asked Questions

What is NSN 4820-00-216-9074?

NSN 4820-00-216-9074 is a Diaphragm,actuator Valve,special, 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 4820-00-216-9074?

NSN 4820-00-216-9074 has 4 cross-referenced part numbers: 4820PL0953952 (Jednolity Indeks Materialowy - Uniform Material Index), 21996 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21996 (Lineta Engineering Und Handelsgesell-Schaft Mbh), N21996 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-216-9074?

There are 4 known substitutes for 4820-00-216-9074: 5365-00-033-2533, 5330-00-599-9548, 6515-01-166-0151 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N21996?

Key specifications for N21996: Style Designator: SPECIAL SHAPED; Overall Height: 0.010 INCHES NOMINAL IN; Outside Diameter: 1.880 INCHES NOMINAL IN; Material: COPPER ALLOY. 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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