PartsTable
Technical Data Sheet
803-2177525-C421AF ✓ 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: STEEL STEM, bonnet_type: OUTSIDE SCREW-YOKE, connection_type: UNTHREADED INTERNAL PIPE FIRST END, connection_style: SOCKET FIRST END, style_designator: ANGLE, features_provided: BONNET PACKING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-491-8055, 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
803-2177525-C421AF
NSN: 4820-00-491-8055
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL STEM
bonnet_typeOUTSIDE SCREW-YOKE
connection_typeUNTHREADED INTERNAL PIPE FIRST END
connection_styleSOCKET FIRST END
style_designatorANGLE
features_providedBONNET PACKING
flow_control_deviceDISK
maximum_operating_temp775.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
bonnet_attachment_methodBOLTED
criticality_code_justificationZZZY
nominal_pipe_size_accommodated0.750 INCHES FIRST END IN
NSN4820-00-491-8055
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 803-2177525-C421AF · 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
MATERIAL: STEEL BODY
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES FIRST END IN
FLOW CONTROL DEVICE: DISK
MAXIMUM OPERATING TEMP: 775.0 FAHRENHEIT SINGLE RESPONSE DEGF
VALVE OPERATION METHOD: MANUAL
BONNET TYPE: OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD: BOLTED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL BODY
MATERIALSTEEL FLOW CONTROL DEVICE
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES FIRST END IN
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING TEMP775.0 FAHRENHEIT SINGLE RESPONSE DEGF
VALVE OPERATION METHODMANUAL
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
MATERIALSTEEL STEM
MATERIALSTEEL SEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
5530WInterchangeable
interchangeable cross-reference
interchangeable
803-2177525-C4B1AFInterchangeable
interchangeable cross-reference
interchangeable
803-2177525-C4B1AFL1Interchangeable
Same NIIN cross-reference
interchangeable
803-2177525-C421AFL1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 803-2177525-C421AF?
803-2177525-C421AF is a VALVE,ANGLE.
What parts can replace 803-2177525-C421AF?
There are 4 known substitutes for 803-2177525-C421AF: 5530W, 803-2177525-C4B1AF, 803-2177525-C4B1AFL1 and 1 more. Substitute compatibility should be verified for your specific system.
Is 803-2177525-C421AF still available?
803-2177525-C421AF is currently cancelled.
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