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NMP1569 L1 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NMP1569 L1: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, flange_shape: ROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST END, style_designator: ANGLE FLANGED ENDS, flange_face_design: RAISED STRAIGHT SECOND END, operating_pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-408-8991, 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
NMP1569 L1
NSN: 4820-01-408-8991
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
flange_shapeROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST END
style_designatorANGLE FLANGED ENDS
flange_face_designRAISED STRAIGHT SECOND END
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
maximum_operating_temp525.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
criticality_code_justificationZZZY
material_document_and_classificationASME SA-216 ASSN STD SINGLE MATERIAL RESPONSE BODY
NSN4820-01-408-8991
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NMP1569 L1 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: DISK
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
FLANGE FACE DESIGN: RAISED STRAIGHT SECOND END
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CONNECTION TYPE: FLANGE SECOND END
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
CRITICALITY CODE JUSTIFICATIONZZZY
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORANGLE FLANGED ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STEM
SUBSTITUTES & CROSS-REFERENCES 3
NMP1569A01S0800Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
NMP1569Reference document
Same NSN cross-reference
Reference document — Secondary reference
NMP1569A01S0800 L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is NMP1569 L1?
NMP1569 L1 is a VALVE,SAFETY RELIEF.
What parts can replace NMP1569 L1?
There are 3 known substitutes for NMP1569 L1: NMP1569A01S0800, NMP1569, NMP1569A01S0800 L1. Substitute compatibility should be verified for your specific system.
What is the NSN for NMP1569 L1?
NMP1569 L1 is cataloged in the U.S. Government catalog under NSN 4820-01-408-8991. This indicates validated use in U.S. government and defense supply chains.
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