493-12B2-2 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

493-12B2-2: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, thread_class: 3B ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-138-2076, 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

493-12B2-2

NSN: 4820-00-138-2076
FSC: 4820 — Valves, Nonpowered
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)

SPECIFICATIONS

material	COPPER ALLOY BODY
thread_class	3B ALL ENDS
connection_style	GASKET SEAL (BOSS) ALL ENDS
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND ALL ENDS
operating_pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	1.062 INCHES ALL ENDS IN
maximum_operating_temp	450.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	AUTOMATIC
media_for_which_designed	OIL, LUBRICATING, DIESTER BASE SECOND RESPONSE
NSN	4820-00-138-2076

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

CONNECTION STYLE: GASKET SEAL (BOSS) ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE BODY

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES FIRST END IN

•

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

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
CONNECTION STYLE	GASKET SEAL (BOSS) ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764,TYPE 303 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-763,CLASS 304 FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.750 INCHES FIRST END IN
OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	1.062 INCHES ALL ENDS IN

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

022-03566Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 493-12B2-2?

493-12B2-2 is a VALVE,CHECK.

What parts can replace 493-12B2-2?

There is 1 known substitute for 493-12B2-2: 022-03566. Substitute compatibility should be verified for your specific system.

What is the NSN for 493-12B2-2?

493-12B2-2 is cataloged in the U.S. Government catalog under NSN 4820-00-138-2076. This indicates validated use in U.S. government and defense supply chains.

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