MS28771-4SS — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

MS28771-4SS: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED INTERNAL BOSS SECOND END, connection_style: GASKET SEAL (BOSS) SECOND END, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-729-6861, 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

MS28771-4SS

NSN: 4820-00-729-6861
FSC: 4820 — Valves, Nonpowered
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
seat_angle	37.0 DEGREES FIRST END
thread_class	3A FIRST END A
connection_type	THREADED INTERNAL BOSS SECOND END
connection_style	GASKET SEAL (BOSS) SECOND END
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND SECOND END
mounting_position	HORIZONTAL OR VERTICAL
operating_pressure	5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	1.062 INCHES FIRST END IN
NSN	4820-00-729-6861

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 4

458-4SS27-6Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

MS28771-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

215-01757Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-V-19069Reference document

Same NSN cross-reference

Reference document — Identification 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 MS28771-4SS?

MS28771-4SS is a VALVE,CHECK.

What parts can replace MS28771-4SS?

There are 4 known substitutes for MS28771-4SS: 458-4SS27-6, MS28771-4, 215-01757 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS28771-4SS?

MS28771-4SS is cataloged in the U.S. Government catalog under NSN 4820-00-729-6861. This indicates validated use in U.S. government and defense supply chains.

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