PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49952FSeat,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-225-9006 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-225-9006 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-225-9006. Primary manufacturer part number: 49952F.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: O-RING
  • Style Designator: PLAIN
  • Material: IRON SEAT
  • Body Outside Diameter: 19.500 INCHES NOMINAL IN
  • Body Inside Diameter: 13.380 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-225-9006, 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. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-225-9006
Primary Part Number49952F
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Seating Surface ShapeO-RING
Style DesignatorPLAIN
MaterialIRON SEAT
Body Outside Diameter19.500 INCHES NOMINAL IN
Body Inside Diameter13.380 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2915-00-808-4354118240 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5940-00-937-5237 INTERCHANGEABLE
Post,binding,electrical
4820-01-115-091349881G INTERCHANGEABLE
Valve,fuel
Griswold Industries Dba Cla-Val Co
4820-01-225-692749964A INTERCHANGEABLE
Retainer,wiper
Griswold Industries Dba Cla-Val Co
4820-01-225-692849875J INTERCHANGEABLE
Wiper,valve Stem
Griswold Industries Dba Cla-Val Co
5365-01-225-692949959A INTERCHANGEABLE
Bushing,gland
Griswold Industries Dba Cla-Val Co
4820-01-225-694249957E INTERCHANGEABLE
Stem,fluid Valve
Griswold Industries Dba Cla-Val Co
4820-01-225-696249963C INTERCHANGEABLE
Piston,valve
Griswold Industries Dba Cla-Val Co
4820-01-225-704649962E INTERCHANGEABLE
Guide,valve Stem
Griswold Industries Dba Cla-Val Co
4820-01-225-906349956G INTERCHANGEABLE
Retainer,disk,valve
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
49881 Griswold Industries Dba Cla-Val Co (USA)
49952 Griswold Industries Dba Cla-Val Co (USA)
49881 PIECE 1 Griswold Industries Dba Cla-Val Co (USA)
49952F PRIMARY Griswold Industries Dba Cla-Val Co (USA)
Related Parts
2915-00-808-4354INTERCHANGEABLE
FILTER ELEMENT,FLUID
118240
5940-00-937-5237INTERCHANGEABLE
POST,BINDING,ELECTRICAL
4820-01-115-0913INTERCHANGEABLE
VALVE,FUEL
49881G
4820-01-225-6927INTERCHANGEABLE
RETAINER,WIPER
49964A
4820-01-225-6928INTERCHANGEABLE
WIPER,VALVE STEM
49875J
5365-01-225-6929INTERCHANGEABLE
BUSHING,GLAND
49959A
4820-01-225-6942INTERCHANGEABLE
STEM,FLUID VALVE
49957E
4820-01-225-6962INTERCHANGEABLE
PISTON,VALVE
49963C
4820-01-225-7046INTERCHANGEABLE
GUIDE,VALVE STEM
49962E
4820-01-225-9063INTERCHANGEABLE
RETAINER,DISK,VALVE
49956G
4820-01-225-9157INTERCHANGEABLE
DISK,VALVE
49941J
5940-01-596-2862INTERCHANGEABLE
POST,BINDING,ELECTRICAL
4995-2

Frequently Asked Questions

What is NSN 4820-01-225-9006?

NSN 4820-01-225-9006 is a Seat,valve, 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 4820-01-225-9006?

NSN 4820-01-225-9006 has 4 cross-referenced part numbers: 49881 (Griswold Industries Dba Cla-Val Co), 49952 (Griswold Industries Dba Cla-Val Co), 49881 PIECE 1 (Griswold Industries Dba Cla-Val Co), 49952F (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-225-9006?

There are 12 known substitutes for 4820-01-225-9006: 2915-00-808-4354, 5940-00-937-5237, 4820-01-115-0913 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49952F?

Key specifications for 49952F: Seating Surface Shape: O-RING; Style Designator: PLAIN; Material: IRON SEAT; Body Outside Diameter: 19.500 INCHES NOMINAL IN. 6 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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