PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73500Diaphragm,valve,flat

Spx Flow Us, Llc Dba Spx Valves & Controls · NSN 4820-00-003-0009 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-003-0009 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-003-0009. Primary manufacturer part number: 73500.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Material: PLASTIC POLYAMIDE NYLON
  • 2 verified cross-references
  • Primary manufacturer: Spx Flow Us, Llc Dba Spx Valves & Controls
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polyamide Nylon construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-003-0009, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spx Flow Us, Llc Dba Spx Valves & Controls. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-003-0009
Primary Part Number73500
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpx Flow Us, Llc Dba Spx Valves & Controls
StatusACTIVE
MaterialPLASTIC POLYAMIDE NYLON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1650-00-536-2585133647 INTERCHANGEABLE
Rack,hydraulic Control
Parker-Hannifin Corporation Dba Control Systems Division
6640-00-990-107773500-20150 INTERCHANGEABLE
Test Tube
Gerresheimer Glass Inc Div Gerresheimer Glass
5330-01-013-444473500 INTERCHANGEABLE
Packing with Retainer
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
6640-01-119-001399445-12 INTERCHANGEABLE
Test Tube
Corning Glass Works
3120-01-302-930073500 INTERCHANGEABLE
Bearing,washer,thrust
Prestolite Electric Inc
6060-01-341-556073500 INTERCHANGEABLE
Adapter,connector,fiber Optic
Welch Allyn Inc Lamp Div
6750-01-427-1152 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
73500 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
133647 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
1650-00-536-2585INTERCHANGEABLE
RACK,HYDRAULIC CONTROL
133647
6640-00-990-1077INTERCHANGEABLE
TEST TUBE
73500-20150
5330-01-013-4444INTERCHANGEABLE
PACKING WITH RETAINER
73500
6640-01-119-0013INTERCHANGEABLE
TEST TUBE
99445-12
3120-01-302-9300INTERCHANGEABLE
BEARING,WASHER,THRUST
73500
6060-01-341-5560INTERCHANGEABLE
ADAPTER,CONNECTOR,FIBER OPTIC
73500
6750-01-427-1152INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 4820-00-003-0009?

NSN 4820-00-003-0009 is a Diaphragm,valve,flat, manufactured by Spx Flow Us, Llc Dba Spx Valves & Controls, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-003-0009?

NSN 4820-00-003-0009 has 2 cross-referenced part numbers: 73500 (Spx Flow Us, Llc Dba Spx Valves & Controls), 133647 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 4820-00-003-0009?

There are 7 known substitutes for 4820-00-003-0009: 1650-00-536-2585, 6640-00-990-1077, 5330-01-013-4444 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73500?

Key specifications for 73500: Material: PLASTIC POLYAMIDE NYLON. 1 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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