PartsTable
Technical Data Sheet
1531A 1IN ✓ 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 PARTS KIT,CARBURETOR is a the manufacturer industrial component. Key specifications include bonnet_type: OUTSIDE SCREW-YOKE, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, flange_face_design: RAISED STRAIGHT ALL ENDS, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: STEM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-122-0848, 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
1531A 1IN
NSN: 4820-01-122-0848
FSC: 4820
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
bonnet_typeOUTSIDE SCREW-YOKE
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU FLANGED ENDS
flange_face_designRAISED STRAIGHT ALL ENDS
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceSTEM
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
renewable_seat_ring_typeTHREADED
furnished_items_and_quantity1 HANDWHEEL
NSN4820-01-122-0848
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 1531A 1IN · 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
RENEWABLE SEAT RING TYPE: THREADED
FLOW CONTROL DEVICE: STEM
FLANGE FACE DESIGN: RAISED STRAIGHT ALL ENDS
CONNECTION TYPE: FLANGE ALL ENDS
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE OPERATION METHOD: MANUAL
FURNISHED ITEMS AND QUANTITY: 1 HANDWHEEL
BONNET TYPE: OUTSIDE SCREW-YOKE
TECHNICAL CHARACTERISTICS (FLIS)
RENEWABLE SEAT RING TYPETHREADED
FLOW CONTROL DEVICESTEM
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE OPERATION METHODMANUAL
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
BONNET TYPEOUTSIDE SCREW-YOKE
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
BONNET ATTACHMENT METHODTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1531ABInterchangeable
interchangeable cross-reference
interchangeable
1531-9430Interchangeable
interchangeable cross-reference
interchangeable
458032Interchangeable
interchangeable cross-reference
interchangeable
95513R94Interchangeable
interchangeable cross-reference
interchangeable
1531NInterchangeable
interchangeable cross-reference
interchangeable
D63947-A PART 1531A FEInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1531A 1IN?
1531A 1IN is a PARTS KIT,CARBURETOR.
What parts can replace 1531A 1IN?
There are 6 known substitutes for 1531A 1IN: 1531AB, 1531-9430, 458032 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1531A 1IN?
1531A 1IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-122-0848. This indicates validated use in U.S. government and defense supply chains.
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