PartsTable
Technical Data Sheet
A11982 ✓ 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: STEEL CORROSION RESISTING OVERALL, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, special_features: 0.125 IN. DIA ORIFICE IN, 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 Federal Logistics Information System (FLIS) under NSN 4820-01-232-2487, 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
A11982
NSN: 4820-01-232-2487
FSC: 4820
CAGE: 23834 — ELLIOTT MACHINE WORKS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
special_features0.125 IN. DIA ORIFICE IN
style_designatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
thread_directionRIGHT-HAND ALL ENDS
operating_pressure175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_devicePISTON
nominal_thread_size0.750 INCHES FIRST END IN
maximum_operating_temp500.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedAIR SINGLE RESPONSE
NSN4820-01-232-2487
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: A11982 · 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
NOMINAL THREAD SIZE: 0.500 INCHES SECOND END IN
MAXIMUM OPERATING TEMP: 500.0 FAHRENHEIT SINGLE RESPONSE DEGF
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
FLOW CONTROL DEVICE: PISTON
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
MATERIAL: STEEL CORROSION RESISTING OVERALL
FURNISHED ITEMS AND QUANTITY: 1 FLOAT AND 1 LEVER
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
MAXIMUM OPERATING TEMP500.0 FAHRENHEIT SINGLE RESPONSE DEGF
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
FLOW CONTROL DEVICEPISTON
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MATERIALSTEEL CORROSION RESISTING OVERALL
FURNISHED ITEMS AND QUANTITY1 FLOAT AND 1 LEVER
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
SPECIAL FEATURES0.125 IN. DIA ORIFICE IN
VALVE OPERATION METHODAUTOMATIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
40173Interchangeable
interchangeable cross-reference
interchangeable
5284423Interchangeable
interchangeable cross-reference
interchangeable
5284505Interchangeable
interchangeable cross-reference
interchangeable
C457-1Interchangeable
interchangeable cross-reference
interchangeable
BA3959Interchangeable
interchangeable cross-reference
interchangeable
648697Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A11982?
A11982 is a VALVE,SAFETY RELIEF.
What parts can replace A11982?
There are 18 known substitutes for A11982: 40173, 5284423, 5284505 and 15 more. Substitute compatibility should be verified for your specific system.
Is A11982 still available?
A11982 is currently cancelled.
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