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Technical Data Sheet
PartsTable / COMPONENT / B1421E-0250
B1421E-0250 ✓ 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,ANGLE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 STEM, valve_size: 2.500 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, flange_shape: ROUND ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: ANGLE FLANGED ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-468-1881, 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
B1421E-0250
NSN: 4820-01-468-1881
FSC: 4820
CAGE: 30263 — PIMA VALVE, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 STEM
valve_size2.500 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
flange_shapeROUND ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorANGLE FLANGED ENDS
nominal_thickness0.563 INCHES ALL ENDS IN
flange_face_designPLAIN ALL ENDS
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
valve_operation_methodMANUAL
bonnet_attachment_methodBOLTED
NSN4820-01-468-1881
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B1421E-0250 · 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 TYPE: FLANGE ALL ENDS
•
NOMINAL THICKNESS: 0.563 INCHES ALL ENDS IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE PACKING
•
FIRST CONNECTION FACE TO CENTERLINE DISTANCE: 4.250 INCHES IN
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
STYLE DESIGNATOR: ANGLE FLANGED ENDS
•
NOMINAL OUTSIDE DIAMETER: 7.000 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY 922 OR COPPER ALLOY 836 PACKING
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEFLANGE ALL ENDS
NOMINAL THICKNESS0.563 INCHES ALL ENDS IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE PACKING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.250 INCHES IN
FLANGE FACE DESIGNPLAIN ALL ENDS
STYLE DESIGNATORANGLE FLANGED ENDS
NOMINAL OUTSIDE DIAMETER7.000 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY 922 OR COPPER ALLOY 836 PACKING
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BONNET TYPEOUTSIDE SCREW-YOKE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
3135Interchangeable
interchangeable cross-reference
interchangeable
B1421E-4INInterchangeable
interchangeable cross-reference
interchangeable
B1421EInterchangeable
interchangeable cross-reference
interchangeable
B1421E-6IN ITEM 10Interchangeable
interchangeable cross-reference
interchangeable
B1421E-6IN ITEM 32Interchangeable
interchangeable cross-reference
interchangeable
B1421E-6INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B1421E-0250?
B1421E-0250 is a VALVE,ANGLE.
What parts can replace B1421E-0250?
There are 6 known substitutes for B1421E-0250: 3135, B1421E-4IN, B1421E and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B1421E-0250?
B1421E-0250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-468-1881. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026