PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K158Diaphragm,valve,flat

Clayton Manufacturing Company · NSN 4820-00-424-6938 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-424-6938 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-424-6938. Primary manufacturer part number: K158.
Features
  • Diaphragm,valve,flat — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Clayton Manufacturing Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-424-6938, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clayton Manufacturing Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDiaphragm,valve,flat
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersClayton Manufacturing Company (CAGE 12736)
Technical Specifications
ParameterValue
NSN4820-00-424-6938
Primary Part NumberK158
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerClayton Manufacturing Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-155-6808 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
K158 PRIMARY Clayton Manufacturing Company (USA)
Related Parts
3110-00-155-6808INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 4820-00-424-6938?

NSN 4820-00-424-6938 is a Diaphragm,valve,flat, manufactured by Clayton Manufacturing Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-424-6938?

NSN 4820-00-424-6938 has 1 cross-referenced part number: K158 (Clayton Manufacturing Company).

What NSN replaces 4820-00-424-6938?

There is 1 known substitute for 4820-00-424-6938: 3110-00-155-6808. Verify interchangeability with system specifications before substitution.

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