PartsTable
Technical Data Sheet
7901-8AF ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_style: FLARED (TUBE) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, flow_control_device: POPPET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-097-0322, 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
7901-8AF
NSN: 4820-00-097-0322
FSC: 4820
CAGE: 92003 — PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_styleFLARED (TUBE) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
flow_control_devicePOPPET
valve_operation_methodMANUAL
nominal_outside_diameter_hose_accommodated0.500 INCHES SECOND END IN
NSN4820-00-097-0322
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 7901-8AF · 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: POPPET
CONNECTION STYLE: BEADED (HOSE) SECOND END
SEAT ANGLE: 37.0 DEGREES FIRST END
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 0.500 INCHES SECOND END IN
THREAD DIRECTION: RIGHT-HAND FIRST END
VALVE OPERATION METHOD: MANUAL
THREAD CLASS: 3A FIRST END A
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEBEADED (HOSE) SECOND END
SEAT ANGLE37.0 DEGREES FIRST END
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED0.500 INCHES SECOND END IN
THREAD DIRECTIONRIGHT-HAND FIRST END
VALVE OPERATION METHODMANUAL
THREAD CLASS3A FIRST END A
CONNECTION STYLEFLARED (TUBE) FIRST END
STYLE DESIGNATORSTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
7901-5Interchangeable
interchangeable cross-reference
interchangeable
7901-3Interchangeable
interchangeable cross-reference
interchangeable
7901Interchangeable
interchangeable cross-reference
interchangeable
465C21-8CInterchangeable
interchangeable cross-reference
interchangeable
49F9798-57Interchangeable
interchangeable cross-reference
interchangeable
633803-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7901-8AF?
7901-8AF is a MICROCIRCUIT,DIGITAL.
What parts can replace 7901-8AF?
There are 8 known substitutes for 7901-8AF: 7901-5, 7901-3, 7901 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7901-8AF?
7901-8AF is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-097-0322. This indicates validated use in U.S. government and defense supply chains.
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