PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

012388Diaphragm,valve,flat

Xomox Corp Sub of Emerson Electric Co · NSN 4820-01-220-7082 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-220-7082 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-220-7082. Primary manufacturer part number: 012388.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE
  • Style Designator: FLAT
  • Outside Diameter: 3.000 INCHES NOMINAL IN
  • Criticality Code Justification: ZZZY
  • Material Thickness: 0.063 INCHES NOMINAL IN
  • Center Hole Diameter: 1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-220-7082, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Xomox Corp Sub of Emerson Electric Co. Government technical data includes 7 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-220-7082
Primary Part Number012388
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerXomox Corp Sub of Emerson Electric Co
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE
Style DesignatorFLAT
Outside Diameter3.000 INCHES NOMINAL IN
Criticality Code JustificationZZZY
Material Thickness0.063 INCHES NOMINAL IN
Center Hole Diameter1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-00-217-9223 INTERCHANGEABLE
Diaphragm,valve,flat
2910-00-747-977529377 INTERCHANGEABLE
Carburetor,float
Mitsubishi Caterpillar Forklift America, Inc
2920-01-155-36023871348 INTERCHANGEABLE
Switch,engine Brake
Jacobs Mfg Co the
Cross-Reference Index
Part NumberManufacturer
012388 Xomox Corp Sub of Emerson Electric Co (USA)
Z-3343-BPC8 Tufline Div of Xomox Corp (USA)
029377 Tufline Div of Xomox Corp (USA)
Z-3343-B PC.4 Xomox Corp Sub of Emerson Electric Co (USA)
Related Parts
4820-00-217-9223INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
2910-00-747-9775INTERCHANGEABLE
CARBURETOR,FLOAT
29377
2920-01-155-3602INTERCHANGEABLE
SWITCH,ENGINE BRAKE
3871348

Frequently Asked Questions

What is NSN 4820-01-220-7082?

NSN 4820-01-220-7082 is a Diaphragm,valve,flat, manufactured by Xomox Corp Sub of Emerson Electric Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-220-7082?

NSN 4820-01-220-7082 has 4 cross-referenced part numbers: 012388 (Xomox Corp Sub of Emerson Electric Co), Z-3343-BPC8 (Tufline Div of Xomox Corp), 029377 (Tufline Div of Xomox Corp), Z-3343-B PC.4 (Xomox Corp Sub of Emerson Electric Co).

What NSN replaces 4820-01-220-7082?

There are 3 known substitutes for 4820-01-220-7082: 4820-00-217-9223, 2910-00-747-9775, 2920-01-155-3602. Verify interchangeability with system specifications before substitution.

What are the specifications of 012388?

Key specifications for 012388: Material: PLASTIC POLYTETRAFLUOROETHYLENE; Style Designator: FLAT; Outside Diameter: 3.000 INCHES NOMINAL IN; Criticality Code Justification: ZZZY. 7 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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