NMP-1559 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

NMP-1559: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE, valve_size: 0.750 INCHES IN, bonnet_type: INSIDE SPRING, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: ANGLE FLANGED ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-264-8386, 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

NMP-1559

NSN: 4820-01-264-8386
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
valve_size	0.750 INCHES IN
bonnet_type	INSIDE SPRING
flange_shape	ROUND WITH HOLES ALL ENDS
connection_type	FLANGE ALL ENDS
style_designator	ANGLE FLANGED ENDS
nominal_thickness	1.000 INCHES SECOND END IN
bolt_hole_quantity	4 ALL ENDS
flange_face_design	RAISED STRAIGHT ALL ENDS
operating_pressure	600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	DISK
NSN	4820-01-264-8386

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

FLANGE SHAPE: ROUND WITH HOLES ALL ENDS

•

FLANGE FACE DESIGN: RAISED STRAIGHT ALL ENDS

•

BOLT CIRCLE NOMINAL DIAMETER: 3.500 INCHES ALL ENDS IN

•

CONNECTION TYPE: FLANGE ALL ENDS

•

STYLE DESIGNATOR: ANGLE FLANGED ENDS

•

BOLT HOLE NOMINAL DIAMETER: 0.750 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGN	RAISED STRAIGHT ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER	3.500 INCHES ALL ENDS IN
CONNECTION TYPE	FLANGE ALL ENDS
STYLE DESIGNATOR	ANGLE FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER	0.750 INCHES FIRST END IN
BOLT HOLE NOMINAL DIAMETER	0.875 INCHES SECOND END IN
OPERATING PRESSURE	600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE	0.750 INCHES 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 2

DX80CNMP1559OPT-A156T186RGReference document

Same NSN cross-reference

Reference document — Secondary reference

NMP15590PTI0N AReference document

Same NSN cross-reference

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

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 NMP-1559?

NMP-1559 is a VALVE,SAFETY RELIEF.

What parts can replace NMP-1559?

There are 2 known substitutes for NMP-1559: DX80CNMP1559OPT-A156T186RG, NMP15590PTI0N A. Substitute compatibility should be verified for your specific system.

What is the NSN for NMP-1559?

NMP-1559 is cataloged in the U.S. Government catalog under NSN 4820-01-264-8386. This indicates validated use in U.S. government and defense supply chains.

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