497-16B2-20 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

497-16B2-20: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 AND STEEL COMP 303 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B SECOND END, connection_type: THREADED EXTERNAL BOSS FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-470-0509, 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

497-16B2-20

NSN: 4820-00-470-0509
FSC: 4820 — Valves, Nonpowered
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)

SPECIFICATIONS

material	STEEL COMP 304 AND STEEL COMP 303 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
seat_angle	37.0 DEGREES FIRST END
thread_class	3B SECOND END
connection_type	THREADED EXTERNAL BOSS FIRST END
connection_style	EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND ALL ENDS
mounting_position	HORIZONTAL OR VERTICAL
operating_pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	1.312 INCHES ALL ENDS IN
NSN	4820-00-470-0509

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

CONNECTION STYLE: GASKET SEAL (BOSS) SECOND END

•

MOUNTING POSITION: HORIZONTAL OR VERTICAL

•

CONNECTION TYPE: THREADED EXTERNAL BOSS FIRST END

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,AISI 304/SAE 30304 FED STD 1ST MATERIAL RESPONSE AND FED STD 66,AISI 303/SAE 30303 FED STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
CONNECTION STYLE	GASKET SEAL (BOSS) SECOND END
CONNECTION STYLE	EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
MOUNTING POSITION	HORIZONTAL OR VERTICAL
CONNECTION TYPE	THREADED EXTERNAL BOSS FIRST END
CONNECTION TYPE	THREADED INTERNAL BOSS SECOND END
STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66,AISI 304/SAE 30304 FED STD 1ST MATERIAL RESPONSE AND FED STD 66,AISI 303/SAE 30303 FED STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTION	RIGHT-HAND ALL ENDS

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

1716B-2-25Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 497-16B2-20?

497-16B2-20 is a VALVE,CHECK.

What parts can replace 497-16B2-20?

There is 1 known substitute for 497-16B2-20: 1716B-2-25. Substitute compatibility should be verified for your specific system.

What is the NSN for 497-16B2-20?

497-16B2-20 is cataloged in the U.S. Government catalog under NSN 4820-00-470-0509. This indicates validated use in U.S. government and defense supply chains.

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