PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202417KValve,diaphragm,stop

Griswold Industries Dba Cla-Val Co · NSN 4820-01-512-3777 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-512-3777 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-512-3777. Primary manufacturer part number: 202417K.
Features
  • Valve,diaphragm,stop — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-512-3777, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. This item has 3 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.

Catalog Facts
Item NameValve,diaphragm,stop
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersGriswold Industries Dba Cla-Val Co (CAGE 86184)
Technical Specifications
ParameterValue
NSN4820-01-512-3777
Primary Part Number202417K
Item NameValve,diaphragm,stop
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-198-2082W205PP INTERCHANGEABLE
Bearing,ball,annular
Western Sky Industries Inc Dba Electromech Techologies
5815-00-448-159274090 INTERCHANGEABLE
Shaft
Telemechanics Inc
5640-01-121-070274090 INTERCHANGEABLE
Insulation Blanket,thermal
Hdt Expeditionary Systems Inc
4820-01-139-189674092J INTERCHANGEABLE
Valve,globe
Griswold Industries Dba Cla-Val Co
2010-01-430-261674090 PC 6 .996 THK INTERCHANGEABLE
Stave,bearing,stave Shaped
American Metal Bearing Co Dba Amb Engineering & Machining Solutions
4820-01-503-9166202586E INTERCHANGEABLE
Valve,safety Relief
Griswold Industries Dba Cla-Val Co
5305-01-642-390274090-19 INTERCHANGEABLE
Screw,cap,socket Head
American Metal Bearing Co Dba Amb Engineering & Machining Solutions
Cross-Reference Index
Part NumberManufacturer
74090 Griswold Industries Dba Cla-Val Co (USA)
202417K PRIMARY Griswold Industries Dba Cla-Val Co (USA)
74090 ASSY 202417K Griswold Industries Dba Cla-Val Co (USA)
Related Parts
3110-00-198-2082INTERCHANGEABLE
BEARING,BALL,ANNULAR
W205PP
5815-00-448-1592INTERCHANGEABLE
SHAFT
74090
5640-01-121-0702INTERCHANGEABLE
INSULATION BLANKET,THERMAL
74090
4820-01-139-1896INTERCHANGEABLE
VALVE,GLOBE
74092J
2010-01-430-2616INTERCHANGEABLE
STAVE,BEARING,STAVE SHAPED
74090 PC 6 .996 THK
4820-01-503-9166INTERCHANGEABLE
VALVE,SAFETY RELIEF
202586E
5305-01-642-3902INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
74090-19

Frequently Asked Questions

What is NSN 4820-01-512-3777?

NSN 4820-01-512-3777 is a Valve,diaphragm,stop, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-512-3777?

NSN 4820-01-512-3777 has 3 cross-referenced part numbers: 74090 (Griswold Industries Dba Cla-Val Co), 202417K (Griswold Industries Dba Cla-Val Co), 74090 ASSY 202417K (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-512-3777?

There are 7 known substitutes for 4820-01-512-3777: 3110-00-198-2082, 5815-00-448-1592, 5640-01-121-0702 and 4 more. Verify interchangeability with system specifications before substitution.

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