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PartsTable / COMPONENT / 20028G51SS
20028G51SS ✓ 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 RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: STEEL STEM, valve_size: 0.500 INCHES IN, bonnet_type: INSIDE SPRING, flange_shape: ROUND WITH HOLES 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 4820-01-079-9011, 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
20028G51SS
NSN: 4820-01-079-9011
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL STEM
valve_size0.500 INCHES IN
bonnet_typeINSIDE SPRING
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorANGLE FLANGED ENDS
nominal_thickness0.440 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
flange_face_designRAISED WITH CURVE AND RADIUS ALL ENDS
operating_pressure275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
NSN4820-01-079-9011
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20028G51SS · 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
•
MEDIA FOR WHICH DESIGNED: GAS, NATURAL SINGLE RESPONSE
•
MATERIAL: STEEL STEM
•
STYLE DESIGNATOR: ANGLE FLANGED ENDS
•
BOLT HOLE NOMINAL DIAMETER: 0.620 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FIRST CONNECTION FACE TO CENTERLINE DISTANCE: 3.344 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SEAT
•
RAISED FACE NOMINAL HEIGHT: 0.180 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDGAS, NATURAL SINGLE RESPONSE
MATERIALSTEEL STEM
STYLE DESIGNATORANGLE FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER0.620 INCHES ALL ENDS IN
OPERATING PRESSURE275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.344 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SEAT
RAISED FACE NOMINAL HEIGHT0.180 INCHES ALL ENDS IN
NOMINAL OUTSIDE DIAMETER3.500 INCHES ALL ENDS IN
FACE TO FACE DISTANCE3.344 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
20028Interchangeable
interchangeable cross-reference
interchangeable
P845FF0-300-21/2D1AInterchangeable
interchangeable cross-reference
interchangeable
2 1-2 1DFFM1-8CBM300Interchangeable
interchangeable cross-reference
interchangeable
P645FF21-2300PSIInterchangeable
interchangeable cross-reference
interchangeable
156Interchangeable
interchangeable cross-reference
interchangeable
H-344/UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20028G51SS?
20028G51SS is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace 20028G51SS?
There are 21 known substitutes for 20028G51SS: 20028, P845FF0-300-21/2D1A, 2 1-2 1DFFM1-8CBM300 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20028G51SS?
20028G51SS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-079-9011. 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