NAP852 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

NAP852: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS., thread_direction: RIGHT-HAND ALL ENDS, disk_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-289-3478, 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

NAP852

NSN: 4820-01-289-3478
FSC: 4820 — Valves, Nonpowered
CAGE: 70667 — ATLAS VALVE CO (USA)

SPECIFICATIONS

material	BRONZE BODY
connection_type	THREADED INTERNAL PIPE ALL ENDS
connection_style	PLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designator	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
thread_direction	RIGHT-HAND ALL ENDS
disk_loading_method	SPRING
flow_control_device	DIAPHRAGM
nominal_thread_size	1.500 INCHES ALL ENDS IN
valve_operation_method	AUTOMATIC
media_for_which_designed	WATER-OIL-GAS SINGLE RESPONSE
thread_series_designator	NPT ALL ENDS
adjustable_pressure_range	+20.0 TO 70.0 POUNDS PER SQUARE INCH LBS
NSN	4820-01-289-3478

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DIAPHRAGM

•

CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS

•

CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.

•

ADJUSTABLE PRESSURE RANGE: +20.0 TO 70.0 POUNDS PER SQUARE INCH LBS

•

THREAD DIRECTION: RIGHT-HAND ALL ENDS

•

NOMINAL THREAD SIZE: 1.500 INCHES ALL ENDS IN

•

DISK LOADING METHOD: SPRING

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DIAPHRAGM
CONNECTION STYLE	PLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPE	THREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
ADJUSTABLE PRESSURE RANGE	+20.0 TO 70.0 POUNDS PER SQUARE INCH LBS
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	1.500 INCHES ALL ENDS IN
DISK LOADING METHOD	SPRING
MEDIA FOR WHICH DESIGNED	WATER-OIL-GAS SINGLE RESPONSE
MATERIAL	BRONZE BODY

SUBSTITUTES & CROSS-REFERENCES 4

40785-3Reference document

Same NSN cross-reference

Reference document — Secondary reference

40785-301Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

1910R 1-1/2IPSReference document

Same NSN cross-reference

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

1910R-1-1/2IPS 20TO70Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 NAP852?

NAP852 is a VALVE,SAFETY RELIEF.

What parts can replace NAP852?

There are 4 known substitutes for NAP852: 40785-3, 40785-301, 1910R 1-1/2IPS and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for NAP852?

NAP852 is cataloged in the U.S. Government catalog under NSN 4820-01-289-3478. This indicates validated use in U.S. government and defense supply chains.

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NAP852 — VALVE,SAFETY RELIEF

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