8021 ITEM 2 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

8021 ITEM 2: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 BODY, connection_type: THREADED EXTERNAL BOSS FIRST END, style_designator: STRAIGHT THRU, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: POPPET, maximum_operating_temp: 100.0 FAHRENHEIT SINGLE RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-561-6192, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

8021 ITEM 2

NSN: 4820-01-561-6192
FSC: 4820 — Valves, Nonpowered
CAGE: 22501 — HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC (USA)

SPECIFICATIONS

material	STEEL COMP 316 BODY
connection_type	THREADED EXTERNAL BOSS FIRST END
style_designator	STRAIGHT THRU
operating_pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_device	POPPET
maximum_operating_temp	100.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	AUTOMATIC
end_item_identification	CHLORINE MONITOR; NEW CONSTRUCTION LHD 8
opening_pressure_setting	2.0 POUNDS PER SQUARE INCH LBS
furnished_items_and_quantity	2 ADAPTER
NSN	4820-01-561-6192

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

FURNISHED ITEMS AND QUANTITY: 2 ADAPTER

•

CONNECTION TYPE: THREADED EXTERNAL BOSS FIRST END

•

STYLE DESIGNATOR: STRAIGHT THRU

•

OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

MAXIMUM OPERATING TEMP: 100.0 FAHRENHEIT SINGLE RESPONSE DEGF

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
FURNISHED ITEMS AND QUANTITY	2 ADAPTER
CONNECTION TYPE	THREADED EXTERNAL BOSS FIRST END
CONNECTION TYPE	UNTHREADED INTERNAL TUBE SECOND END
STYLE DESIGNATOR	STRAIGHT THRU
OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP	100.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURES	AN ASSEMBLY OF VALVE, 4820-01-561-6165, 1/4 MALE CONNECTOR, 4730-01-017-5123, 1/4 TUBE TO TUBE CONNECTOR, P/N 5075A-49-4, AND 2 O-RINGS; POPPET MATERIAL: FLUOROCARBON FKM; NEXT HIGHER ASSEMBLY: PROBE TEE ASSY, P/N 8021B-G501 A
END ITEM IDENTIFICATION	CHLORINE MONITOR; NEW CONSTRUCTION LHD 8
MATERIAL	STEEL COMP 316 BODY

OTHER ITEMS IN FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230

SUBSTITUTES & CROSS-REFERENCES 1

8016Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 8021 ITEM 2?

8021 ITEM 2 is a VALVE,CHECK.

What parts can replace 8021 ITEM 2?

There is 1 known substitute for 8021 ITEM 2: 8016. Substitute compatibility should be verified for your specific system.

What is the NSN for 8021 ITEM 2?

8021 ITEM 2 is cataloged in the U.S. Government catalog under NSN 4820-01-561-6192. This indicates validated use in U.S. government and defense supply chains.

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