PartsTable
Technical Data Sheet
49F9798-17 ✓ 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 NUT,VALVE STEM,PNEUMATIC TIRE is a the manufacturer industrial component. Key specifications include flow_style: TWO WAY TWO PORT 90 DEGREE PLUG TURN, seat_angle: 60.0 DEGREES FIRST END, thread_class: 3B FIRST END, nominal_width: 1.000 INCHES SECOND END IN, nominal_length: 1.000 INCHES SECOND END IN, connection_type: FLANGE SECOND END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-202-6414, 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
49F9798-17
NSN: 4820-00-202-6414
FSC: 4820
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
flow_styleTWO WAY TWO PORT 90 DEGREE PLUG TURN
seat_angle60.0 DEGREES FIRST END
thread_class3B FIRST END
nominal_width1.000 INCHES SECOND END IN
nominal_length1.000 INCHES SECOND END IN
connection_typeFLANGE SECOND END
connection_styleGASKET SEAL (BOSS) FIRST END
thread_directionRIGHT-HAND FIRST END
features_providedNONADJUSTABLE ROTATION
nominal_thickness0.203 INCHES SECOND END IN
bolt_hole_quantity4 SECOND END
flange_face_designRAISED STRAIGHT SECOND END
NSN4820-00-202-6414
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 49F9798-17 · 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
SEAT ANGLE: 60.0 DEGREES FIRST END
BOLT HOLE QUANTITY: 4 SECOND END
VALVE OPERATION METHOD: MANUAL
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 0.720 INCHES SECOND END IN
THREAD SERIES DESIGNATOR: UNF FIRST END
CONNECTION TYPE: FLANGE SECOND END
THREAD QUANTITY PER INCH: 18 FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE60.0 DEGREES FIRST END
BOLT HOLE QUANTITY4 SECOND END
VALVE OPERATION METHODMANUAL
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH0.720 INCHES SECOND END IN
THREAD SERIES DESIGNATORUNF FIRST END
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
THREAD QUANTITY PER INCH18 FIRST END
FEATURES PROVIDEDNONADJUSTABLE ROTATION
BOLT HOLE NOMINAL DIAMETER0.272 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
8MTH7111Interchangeable
interchangeable cross-reference
interchangeable
72512Interchangeable
interchangeable cross-reference
interchangeable
842964Interchangeable
interchangeable cross-reference
interchangeable
2D2631Interchangeable
interchangeable cross-reference
interchangeable
725-2Interchangeable
interchangeable cross-reference
interchangeable
725Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 49F9798-17?
49F9798-17 is a NUT,VALVE STEM,PNEUMATIC TIRE.
What parts can replace 49F9798-17?
There are 6 known substitutes for 49F9798-17: 8MTH7111, 72512, 842964 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 49F9798-17?
49F9798-17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-202-6414. This indicates validated use in U.S. government and defense supply chains.
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