PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3210-00005Diaphragm,valve,flat

Kidde Fire Fighting, Inc. Div National Foam · NSN 4820-00-157-0546 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-157-0546 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-157-0546. Primary manufacturer part number: 3210-00005.
Features
  • Diaphragm,valve,flat — FSC 4820
  • 8 verified cross-references
  • Primary manufacturer: Kidde Fire Fighting, Inc. Div National Foam
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-157-0546, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kidde Fire Fighting, Inc. Div National Foam. This item has 8 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: Cancelled.

Catalog Facts
Item NameDiaphragm,valve,flat
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersKidde Fire Fighting, Inc. Div National Foam (CAGE 11939); Oshkosh Corp (CAGE 45152)
Technical Specifications
ParameterValue
NSN4820-00-157-0546
Primary Part Number3210-00005
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKidde Fire Fighting, Inc. Div National Foam
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5133-00-228-1407 INTERCHANGEABLE
Drill,twist
5950-01-202-925920021-8 INTERCHANGEABLE
Transformer,radio Frequency
Drs Signal Solutions, Inc.
5999-01-492-592200-035491-001 INTERCHANGEABLE
Contact,electrical
Amphenol Corp Div Amphenol Aerospace Operations
Cross-Reference Index
Part NumberManufacturer
200218 Kidde Fire Fighting, Inc. Div National Foam (USA)
00354920 Kidde Fire Fighting, Inc. Div National Foam (USA)
3210-00005 PRIMARY Kidde Fire Fighting, Inc. Div National Foam (USA)
300710PC4 Kidde Fire Fighting, Inc. Div National Foam (USA)
00021820 Kidde Fire Fighting, Inc. Div National Foam (USA)
00546930 ITEM 4 Kidde Fire Fighting, Inc. Div National Foam (USA)
1FC109 Oshkosh Corp (USA)
003549-1 Kidde Fire Fighting, Inc. Div National Foam (USA)
Related Parts
5133-00-228-1407INTERCHANGEABLE
DRILL,TWIST
5950-01-202-9259INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
20021-8
5999-01-492-5922INTERCHANGEABLE
CONTACT,ELECTRICAL
00-035491-001

Frequently Asked Questions

What is NSN 4820-00-157-0546?

NSN 4820-00-157-0546 is a Diaphragm,valve,flat, manufactured by Kidde Fire Fighting, Inc. Div National Foam, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-157-0546?

NSN 4820-00-157-0546 has 8 cross-referenced part numbers: 200218 (Kidde Fire Fighting, Inc. Div National Foam), 00354920 (Kidde Fire Fighting, Inc. Div National Foam), 3210-00005 (Kidde Fire Fighting, Inc. Div National Foam), 300710PC4 (Kidde Fire Fighting, Inc. Div National Foam), 00021820 (Kidde Fire Fighting, Inc. Div National Foam) and 3 more.

What NSN replaces 4820-00-157-0546?

There are 3 known substitutes for 4820-00-157-0546: 5133-00-228-1407, 5950-01-202-9259, 5999-01-492-5922. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-157-0546 still in active supply?

NSN 4820-00-157-0546 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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