MS28893A4-500 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

MS28893A4-500: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL(BOSS) ALL ENDS, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY., thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-329-9667, 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

MS28893A4-500

NSN: 4820-00-329-9667
FSC: 4820 — Valves, Nonpowered
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	STEEL CORROSION RESISTING BODY
thread_class	3B ALL ENDS
connection_type	THREADED INTERNAL BOSS ALL ENDS
connection_style	GASKET SEAL(BOSS) ALL ENDS
style_designator	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
thread_direction	RIGHT-HAND ALL ENDS
features_provided	PRESSURE TIGHT OUTLET SIDE
operating_pressure	825.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	0.437 INCHES ALL ENDS IN
maximum_operating_temp	275.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN	4820-00-329-9667

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

CONNECTION STYLE: GASKET SEAL(BOSS) ALL ENDS

•

CONNECTION TYPE: THREADED INTERNAL BOSS ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.

•

OPERATING PRESSURE: 825.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

ADJUSTABLE PRESSURE RANGE: +500.0 TO 825.0 POUNDS PER SQUARE INCH LBS

•

FEATURES PROVIDED: PRESSURE TIGHT OUTLET SIDE

•

THREAD DIRECTION: RIGHT-HAND ALL ENDS

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
CONNECTION STYLE	GASKET SEAL(BOSS) ALL ENDS
CONNECTION TYPE	THREADED INTERNAL BOSS ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
OPERATING PRESSURE	825.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE	+500.0 TO 825.0 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDED	PRESSURE TIGHT OUTLET SIDE
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	0.437 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP	275.0 FAHRENHEIT SINGLE RESPONSE DEGF

SUBSTITUTES & CROSS-REFERENCES 5

1000-2Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-V-8813Reference document

Same NSN cross-reference

Reference document — Identification reference

MS28893-A4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

1701-11AReference document

Same NSN cross-reference

Reference document — Secondary reference

1701-11Reference 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 MS28893A4-500?

MS28893A4-500 is a VALVE,SAFETY RELIEF.

What parts can replace MS28893A4-500?

There are 5 known substitutes for MS28893A4-500: 1000-2, MIL-V-8813, MS28893-A4 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS28893A4-500?

MS28893A4-500 is cataloged in the U.S. Government catalog under NSN 4820-00-329-9667. This indicates validated use in U.S. government and defense supply chains.

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