4-1049-77 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

4-1049-77: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, seat_angle: 60.0 DEGREES ALL ENDS, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL TUBE ALL ENDS, connection_style: INVERTED FLARE (TUBE) ALL ENDS, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-202-5939, 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

4-1049-77

NSN: 4820-00-202-5939
FSC: 4820 — Valves, Nonpowered
CAGE: 45681 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CORPORATE HEADQUARTERS (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY OVERALL
seat_angle	60.0 DEGREES ALL ENDS
thread_class	3B ALL ENDS
connection_type	THREADED INTERNAL TUBE ALL ENDS
connection_style	INVERTED FLARE (TUBE) ALL ENDS
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND ALL ENDS
mounting_position	HORIZONTAL
surface_treatment	ANODIZE
operating_pressure	75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_device	DISK
nominal_thread_size	0.562 INCHES ALL ENDS IN
NSN	4820-00-202-5939

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

CONNECTION STYLE: INVERTED FLARE (TUBE) ALL ENDS

•

MOUNTING POSITION: HORIZONTAL

•

CONNECTION TYPE: THREADED INTERNAL TUBE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN

•

OPERATING PRESSURE: 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

THREAD DIRECTION: RIGHT-HAND ALL ENDS

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
CONNECTION STYLE	INVERTED FLARE (TUBE) ALL ENDS
MOUNTING POSITION	HORIZONTAL
CONNECTION TYPE	THREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.375 INCHES ALL ENDS IN
OPERATING PRESSURE	75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	0.562 INCHES ALL ENDS IN
SEAT ANGLE	60.0 DEGREES ALL ENDS

SUBSTITUTES & CROSS-REFERENCES 8

MS28882A-6Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

3-1450-75Reference document

Same NSN cross-reference

Reference document — Secondary reference

4820002025939Reference document

Same NSN cross-reference

Reference document — Informative reference only

3-1450-77Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-V-7899Reference document

Same NSN cross-reference

Reference document — Secondary reference

HE712-6Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 4-1049-77?

4-1049-77 is a VALVE,CHECK.

What parts can replace 4-1049-77?

There are 8 known substitutes for 4-1049-77: MS28882A-6, 3-1450-75, 4820002025939 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 4-1049-77?

4-1049-77 is cataloged in the U.S. Government catalog under NSN 4820-00-202-5939. This indicates validated use in U.S. government and defense supply chains.

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