PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40533CFitting,test Valve

Griswold Industries Dba Cla-Val Co · NSN 4820-00-908-6806 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-908-6806 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-908-6806. Primary manufacturer part number: 40533C.
Features
  • Fitting,test Valve — FSC 4820
  • General Characteristics Item Description: CONSISTS OF RUBBER O-RING P/N 639-00 AND ALUMINUM TEXT GUBE 100PM-4 P/N 40534-00;4.560 IN. O/A LG;5.415 IN. OD;8 LUGS 0N OD;LARGE ID IS THREADED 4.000 NH RH THD SIZE;ON THE SAME SIDE AS LARGE THDS ITEM HAS A PROTRUDING SLEEVE WHICH IS MACHINED W/RING GROOVE AT END;2.490 IN. DIA;PROTRUDING FROM INNER FACE 3.315 IN. LG;OTHER END EXTERNALLY THD 2.500-7-1/2 NH RH THD SIZE IN
  • 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 Fitting,test Valve, cataloged under National Stock Number 4820-00-908-6806, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-00-908-6806
Primary Part Number40533C
Item NameFitting,test Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF RUBBER O-RING P/N 639-00 AND ALUMINUM TEXT GUBE 100PM-4 P/N 40534-00;4.560 IN. O/A LG;5.415 IN. OD;8 LUGS 0N OD;LARGE ID IS THREADED 4.000 NH RH THD SIZE;ON THE SAME SIDE AS LARGE THDS ITEM HAS A PROTRUDING SLEEVE WHICH IS MACHINED W/RING GROOVE AT END;2.490 IN. DIA;PROTRUDING FROM INNER FACE 3.315 IN. LG;OTHER END EXTERNALLY THD 2.500-7-1/2 NH RH THD SIZE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
7040-00-009-2268 INTERCHANGEABLE
Housing Assembly,dr
5360-00-062-853140534 INTERCHANGEABLE
Spring,helical,compression
Jenny Products, Inc
5330-00-183-592640533 INTERCHANGEABLE
Seal,wire and Screw
Liquid Controls, L.l.c. Div Idex Corporation
3455-00-189-914311580 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
3455-00-243-21661-1561-0500 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
3120-00-362-1369AL258 INTERCHANGEABLE
Bearing,sleeve
Trw Inc Replacement Parts Div
5342-00-865-27486820394 INTERCHANGEABLE
Coupling,clamp,grooved
Rolls-Royce Corporation
5330-01-043-5833728590 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
5961-01-095-585540533 INTERCHANGEABLE
Semiconductor Device,diode
Riimic, Llc Dba Sunair Electronics
7490-01-183-724740534 INTERCHANGEABLE
Shredding Machine,paper
Dahle North America Inc
Cross-Reference Index
Part NumberManufacturer
40533 Griswold Industries Dba Cla-Val Co (USA)
40533C PRIMARY Griswold Industries Dba Cla-Val Co (USA)
40534 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
7040-00-009-2268INTERCHANGEABLE
HOUSING ASSEMBLY,DR
5360-00-062-8531INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40534
5330-00-183-5926INTERCHANGEABLE
SEAL,WIRE AND SCREW
40533
3455-00-189-9143INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11580
3455-00-243-2166INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-0500
3120-00-362-1369INTERCHANGEABLE
BEARING,SLEEVE
AL258
5342-00-865-2748INTERCHANGEABLE
COUPLING,CLAMP,GROOVED
6820394
5330-01-043-5833INTERCHANGEABLE
GASKET
728590
5961-01-095-5855INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
40533
7490-01-183-7247INTERCHANGEABLE
SHREDDING MACHINE,PAPER
40534
5305-01-201-4332INTERCHANGEABLE
SETSCREW
12615430-15
5999-01-270-6281INTERCHANGEABLE
DELAY LINE SET
CD844389

Frequently Asked Questions

What is NSN 4820-00-908-6806?

NSN 4820-00-908-6806 is a Fitting,test 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 4820-00-908-6806?

NSN 4820-00-908-6806 has 3 cross-referenced part numbers: 40533 (Griswold Industries Dba Cla-Val Co), 40533C (Griswold Industries Dba Cla-Val Co), 40534 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-00-908-6806?

There are 12 known substitutes for 4820-00-908-6806: 7040-00-009-2268, 5360-00-062-8531, 5330-00-183-5926 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40533C?

Key specifications for 40533C: General Characteristics Item Description: CONSISTS OF RUBBER O-RING P/N 639-00 AND ALUMINUM TEXT GUBE 100PM-4 P/N 40534-00;4.560 IN. O/A LG;5.415 IN. OD;8 LUGS 0N OD;LARGE ID IS THREADED 4.000 NH RH THD SIZE;ON THE SAME SIDE AS LARGE THDS ITEM HAS A PROTRUDING SLEEVE WHICH IS MACHINED W/RING GROOVE AT END;2.490 IN. DIA;PROTRUDING FROM INNER FACE 3.315 IN. LG;OTHER END EXTERNALLY THD 2.500-7-1/2 NH RH THD SIZE IN. 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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