PartsTable
Technical Data Sheet
98644-4 ✓ 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 HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, seat_angle: 12.0 DEGREES ALL ENDS, temp_rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, inside_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-781-7459, 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
98644-4
NSN: 4820-00-781-7459
FSC: 4820
CAGE: 26044 — SAF INDUSTRIES LLC DBA SAF INDUSTRIES LLC DIV GARKENYON (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
seat_angle12.0 DEGREES ALL ENDS
temp_rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
inside_diameter0.500 INCHES NOMINAL IN
connection_styleFLARELESS ALL ENDS
outside_diameter0.921 INCHES NOMINAL IN
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
features_providedREUSABLE END FITTINGS
mounting_positionHORIZONTAL OR VERTICAL
NSN4820-00-781-7459
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 98644-4 · 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
THREAD CLASS: 3A ALL ENDS A
FLOW CONTROL DEVICE: POPPET
DISK LOADING METHOD: SPRING
VALVE OPERATION METHOD: AUTOMATIC
SEAT ANGLE: 12.0 DEGREES ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: UNF ALL ENDS
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A ALL ENDS A
FLOW CONTROL DEVICEPOPPET
DISK LOADING METHODSPRING
VALVE OPERATION METHODAUTOMATIC
SEAT ANGLE12.0 DEGREES ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
THREAD SERIES DESIGNATORUNF ALL ENDS
MATERIALSTEEL CORROSION RESISTING OVERALL
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
J416-6SSInterchangeable
interchangeable cross-reference
interchangeable
J416A-SS-5Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-25675Interchangeable
interchangeable cross-reference
interchangeable
M25675-F8Interchangeable
interchangeable cross-reference
interchangeable
4C2180Interchangeable
interchangeable cross-reference
interchangeable
J416A-8SS-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 98644-4?
98644-4 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 98644-4?
There are 32 known substitutes for 98644-4: J416-6SS, J416A-SS-5, MIL-PRF-25675 and 29 more. Substitute compatibility should be verified for your specific system.
Is 98644-4 still available?
98644-4 is currently cancelled.
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