PartsTable
Technical Data Sheet
559A-1M-40 ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, special_features: POP-OFF TYPE, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY., thread_direction: RIGHT-HAND FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-405-4169, 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
559A-1M-40
NSN: 4820-00-405-4169
FSC: 4820
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
special_featuresPOP-OFF TYPE
style_designatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
thread_directionRIGHT-HAND FIRST END
surface_treatmentANODIZE LOCATION NOT OTHERWISE SPECIFIED
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.125 INCHES FIRST END IN
maximum_operating_temp250.0 FAHRENHEIT SECOND RESPONSE DEGF
NSN4820-00-405-4169
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 559A-1M-40 · 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
CONNECTION STYLE: PLAIN (PIPE) FIRST END
VALVE OPERATION METHOD: AUTOMATIC
THREAD SERIES DESIGNATOR: NPT FIRST END
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
OPENING PRESSURE SETTING: 40.0 POUNDS PER SQUARE INCH LBS
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) FIRST END
VALVE OPERATION METHODAUTOMATIC
THREAD SERIES DESIGNATORNPT FIRST END
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
OPENING PRESSURE SETTING40.0 POUNDS PER SQUARE INCH LBS
MATERIALALUMINUM ALLOY 2024 OVERALL
SPECIAL FEATURESPOP-OFF TYPE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SECOND RESPONSE DEGF
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT FIRST RESPONSE DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1093438Interchangeable
interchangeable cross-reference
interchangeable
817-148Interchangeable
interchangeable cross-reference
interchangeable
10122578Interchangeable
interchangeable cross-reference
interchangeable
PLGA1564010Interchangeable
interchangeable cross-reference
interchangeable
J108Interchangeable
interchangeable cross-reference
interchangeable
5331PL0796200Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 559A-1M-40?
559A-1M-40 is a VALVE,SAFETY RELIEF.
What parts can replace 559A-1M-40?
There are 11 known substitutes for 559A-1M-40: 1093438, 817-148, 10122578 and 8 more. Substitute compatibility should be verified for your specific system.
Is 559A-1M-40 still available?
559A-1M-40 is currently cancelled.
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