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801-6404977 AY90 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

801-6404977 AY90: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY FLOW CONTROL DEVICE, valve_size: 5.000 INCHES IN, flange_shape: ROUND WITH HOLES THIRD END, connection_type: FLANGE THIRD END, style_designator: CROSS FLANGED ENDS, nominal_thickness: 1.450 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-399-7863, 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
801-6404977 AY90
NSN: 4810-01-399-7863
FSC: 4810 — Valves, Powered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialTITANIUM ALLOY FLOW CONTROL DEVICE
valve_size5.000 INCHES IN
flange_shapeROUND WITH HOLES THIRD END
connection_typeFLANGE THIRD END
style_designatorCROSS FLANGED ENDS
nominal_thickness1.450 INCHES SECOND END IN
bolt_hole_quantity12 FIRST END
flange_face_designPLAIN THIRD END
operating_pressure2000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL POWER DRIVE LBS
face_to_face_distance19.163 INCHES IN
valve_operation_methodHYDRAULIC
media_for_which_designedWATER, SALT SINGLE RESPONSE
NSN4810-01-399-7863
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 801-6404977 AY90 · 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 FIRST END
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
BOLT CIRCLE NOMINAL DIAMETER: 8.250 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLANGE SHAPEROUND WITH HOLES THIRD END
FLANGE FACE DESIGNPLAIN FIRST END
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE FACE DESIGNPLAIN THIRD END
BOLT CIRCLE NOMINAL DIAMETER8.250 INCHES FIRST END IN
BOLT CIRCLE NOMINAL DIAMETER7.188 INCHES SECOND END IN
BOLT CIRCLE NOMINAL DIAMETER8.250 INCHES THIRD END IN
CONNECTION TYPEFLANGE SECOND END
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES 3
211080716Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6404977 AY 90Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DF330654 AY 90Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 801-6404977 AY90?
801-6404977 AY90 is a VALVE,BALL.
What parts can replace 801-6404977 AY90?
There are 3 known substitutes for 801-6404977 AY90: 211080716, 6404977 AY 90, DF330654 AY 90. Substitute compatibility should be verified for your specific system.
What is the NSN for 801-6404977 AY90?
801-6404977 AY90 is cataloged in the U.S. Government catalog under NSN 4810-01-399-7863. This indicates validated use in U.S. government and defense supply chains.
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