PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12226Diaphragm,valve,flat

Caltam, Inc · NSN 4820-01-038-5051 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-038-5051 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-038-5051. Primary manufacturer part number: 12226.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Hole Diameter: 0.210 INCHES NOMINAL IN
  • Material Thickness: 0.075 INCHES NOMINAL IN
  • Center Hole Diameter: 0.305 INCHES NOMINAL IN
  • Bolt Hole Quantity: 8
  • Outside Diameter: 3.156 INCHES NOMINAL IN
  • Style Designator: FLAT
  • Bolt Circle Diameter: 1.688 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-038-5051, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Caltam, Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-038-5051
Primary Part Number12226
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCaltam, Inc
StatusACTIVE
Hole Diameter0.210 INCHES NOMINAL IN
Material Thickness0.075 INCHES NOMINAL IN
Center Hole Diameter0.305 INCHES NOMINAL IN
Bolt Hole Quantity8
Outside Diameter3.156 INCHES NOMINAL IN
Style DesignatorFLAT
Bolt Circle Diameter1.688 INCHES NOMINAL IN
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5133-00-189-9271 INTERCHANGEABLE
Drill,twist
4320-00-334-414612226 INTERCHANGEABLE
Pump Unit,rotary
Industrial Technologies and Services Llc
5310-00-392-2158125390 INTERCHANGEABLE
Washer,flat
Telemechanics Inc
5905-00-643-6754 INTERCHANGEABLE
Resistor,variable,wire Wound,non
3455-01-203-273112226 INTERCHANGEABLE
Trepanning Tool,machine
Hougen Manufacturing, Inc
2920-01-243-8965 INTERCHANGEABLE
Coil,magneto
6105-01-310-340012226 INTERCHANGEABLE
Motor,direct Current
Mag Aerospace Industries, Llc Div Safran Cabins
6530-01-347-0823 INTERCHANGEABLE
Tape,sealing,sterilization Indic
5307-01-420-880512226 INTERCHANGEABLE
Stud,plain
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
9390-01-551-573811433 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
12226-72 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12226 PRIMARY Caltam, Inc (USA)
12226 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5133-00-189-9271INTERCHANGEABLE
DRILL,TWIST
4320-00-334-4146INTERCHANGEABLE
PUMP UNIT,ROTARY
12226
5310-00-392-2158INTERCHANGEABLE
WASHER,FLAT
125390
5905-00-643-6754INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
3455-01-203-2731INTERCHANGEABLE
TREPANNING TOOL,MACHINE
12226
2920-01-243-8965INTERCHANGEABLE
COIL,MAGNETO
6105-01-310-3400INTERCHANGEABLE
MOTOR,DIRECT CURRENT
12226
6530-01-347-0823INTERCHANGEABLE
TAPE,SEALING,STERILIZATION INDIC
5307-01-420-8805INTERCHANGEABLE
STUD,PLAIN
12226
9390-01-551-5738INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
11433

Frequently Asked Questions

What is NSN 4820-01-038-5051?

NSN 4820-01-038-5051 is a Diaphragm,valve,flat, manufactured by Caltam, Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-038-5051?

NSN 4820-01-038-5051 has 3 cross-referenced part numbers: 12226-72 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12226 (Caltam, Inc), 12226 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-038-5051?

There are 10 known substitutes for 4820-01-038-5051: 5133-00-189-9271, 4320-00-334-4146, 5310-00-392-2158 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12226?

Key specifications for 12226: Hole Diameter: 0.210 INCHES NOMINAL IN; Material Thickness: 0.075 INCHES NOMINAL IN; Center Hole Diameter: 0.305 INCHES NOMINAL IN; Bolt Hole Quantity: 8. 8 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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