PartsTable
Technical Data Sheet
B1421E ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 OR COPPER ALLOY 836 PACKING, valve_size: 2.500 INCHES IN, valve_type: GATE, bonnet_type: OUTSIDE SCREW-YOKE, flange_shape: ROUND ALL ENDS, connection_type: FLANGE ALL 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 4820-01-307-3589, 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
NSN: 4820-01-307-3589
FSC: 4820
CAGE: 30263 — PIMA VALVE, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 OR COPPER ALLOY 836 PACKING
valve_size2.500 INCHES IN
valve_typeGATE
bonnet_typeOUTSIDE SCREW-YOKE
flange_shapeROUND ALL ENDS
connection_typeFLANGE ALL ENDS
flange_diameter11.000 INCHES IN
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresNHA VALVE, ANGLE; VALE SIZE 6 IN.;NAME ASSIGNED BY CONTROLLING AGENCY - DISC, MONEL; MATERIAL DOCUMENT AND CLASSIFICATION - ASTM A494 GR M30C IN
style_designatorANGLE FLANGED ENDS
nominal_thickness0.563 INCHES ALL ENDS IN
bolt_hole_quantity8 ALL ENDS
NSN4820-01-307-3589
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: B1421E · 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
FLOW CONTROL DEVICE: STEM
STYLE DESIGNATOR: ANGLE FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER: 0.750 INCHES ALL ENDS IN
BOLT CIRCLE NOMINAL DIAMETER: 7.500 INCHES ALL ENDS IN
FIRST CONNECTION FACE TO CENTERLINE DISTANCE: 5.500 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION: B61 FED SPEC 1ST MATERIAL RESPONSE AND B62 FED SPEC 2ND MATERIAL RESPONSE PACKING
MATERIAL: BRONZE PACKING
FLANGE FACE DESIGN: PLAIN ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICESTEM
STYLE DESIGNATORANGLE FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS IN
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES ALL ENDS IN
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.500 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONB61 FED SPEC 1ST MATERIAL RESPONSE AND B62 FED SPEC 2ND MATERIAL RESPONSE PACKING
MATERIALBRONZE PACKING
FLANGE FACE DESIGNPLAIN ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.875 INCHES IN
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
851-206Interchangeable
interchangeable cross-reference
interchangeable
031-00035-000Interchangeable
interchangeable cross-reference
interchangeable
031-07510-000Interchangeable
interchangeable cross-reference
interchangeable
3135Interchangeable
interchangeable cross-reference
interchangeable
UH353Interchangeable
interchangeable cross-reference
interchangeable
E1299PCUH353Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B1421E?
B1421E is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace B1421E?
There are 20 known substitutes for B1421E: 851-206, 031-00035-000, 031-07510-000 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B1421E?
B1421E is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-307-3589. This indicates validated use in U.S. government and defense supply chains.
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