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0421C30-3055-01 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

0421C30-3055-01: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include valve_size: 2.00 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, flange_face_design: PLAIN ALL ENDS, face_to_face_distance: 6.94 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-656-4569, 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
0421C30-3055-01
NSN: 4820-01-656-4569
FSC: 4820 — Valves, Nonpowered
CAGE: 20722 — THE ENTWISTLE COMPANY LLC (USA)
SPECIFICATIONS
valve_size2.00 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU FLANGED ENDS
flange_face_designPLAIN ALL ENDS
face_to_face_distance6.94 INCHES IN
maximum_operating_temp140.00 FAHRENHEIT SINGLE RESPONSE DEGF
minimum_operating_temp-40.00 FAHRENHEIT DEGF
valve_operation_methodMANUAL
end_item_identificationR21FMSPA-FS00
NSN4820-01-656-4569
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 0421C30-3055-01 · 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
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
MINIMUM OPERATING TEMP: -40.00 FAHRENHEIT DEGF
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
VALVE SIZE: 2.00 INCHES IN
•
MAXIMUM OPERATING TEMP: 140.00 FAHRENHEIT SINGLE RESPONSE DEGF
•
FACE TO FACE DISTANCE: 6.94 INCHES IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MINIMUM OPERATING TEMP-40.00 FAHRENHEIT DEGF
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE2.00 INCHES IN
MAXIMUM OPERATING TEMP140.00 FAHRENHEIT SINGLE RESPONSE DEGF
FACE TO FACE DISTANCE6.94 INCHES IN
END ITEM IDENTIFICATIONR21FMSPA-FS00
VALVE OPERATION METHODMANUAL
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
0421C30-3055Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0421C30-3055-01?
0421C30-3055-01 is a VALVE,BALL.
What parts can replace 0421C30-3055-01?
There is 1 known substitute for 0421C30-3055-01: 0421C30-3055. Substitute compatibility should be verified for your specific system.
What is the NSN for 0421C30-3055-01?
0421C30-3055-01 is cataloged in the U.S. Government catalog under NSN 4820-01-656-4569. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.