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Technical Data Sheet

G311927 — Technical Data Sheet

✓ 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 COCK,SHUTOFF,SCREW STEM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 45.0 DEGREES SECOND END, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: FLARED (TUBE) SECOND END, style_designator: STRAIGHT THRU. This part is cataloged in the Federal Logistics Information System under NSN 4820-00-287-5627, 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
G311927
NSN: 4820-00-287-5627
FSC: 4820
CAGE: 54X10 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle45.0 DEGREES SECOND END
thread_class3A SECOND END A
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleFLARED (TUBE) SECOND END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND SECOND END
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
nominal_thread_size0.250 INCHES FIRST END IN
valve_operation_methodMANUAL
thread_series_designatorUNF SECOND END
NSN4820-00-287-5627
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: G311927 · 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
•
THREAD CLASS: 3A SECOND END A
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END
•
NOMINAL THREAD SIZE: 0.250 INCHES FIRST END IN
•
SEAT ANGLE: 45.0 DEGREES SECOND END
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: STRAIGHT THRU
TECHNICAL CHARACTERISTICS
THREAD CLASS3A SECOND END A
THREAD DIRECTIONRIGHT-HAND FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
THREAD DIRECTIONRIGHT-HAND SECOND END
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
SEAT ANGLE45.0 DEGREES SECOND END
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
THREAD SERIES DESIGNATORNPT FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
SE 8AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
100020InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
83-0001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AE3414AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AE3414ABMAE121AL-014-J7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
136-126InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G311927?
G311927 is a COCK,SHUTOFF,SCREW STEM.
What parts can replace G311927?
There are 23 known substitutes for G311927: SE 8A, 100020, 83-0001 and 20 more. Substitute compatibility should be verified for your specific system.
Is G311927 still available?
G311927 is currently cancelled.
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