PartsTable
Technical Data Sheet
SS845-1889587AS ✓ 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 LOCKNUT,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE, bonnet_type: PACKING RETAINING, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: REDUCED SOCKET ONE BRAZING RING (TUBE) ALL ENDS, style_designator: ANGLE, operating_pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-041-1219, 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
SS845-1889587AS
NSN: 4820-01-041-1219
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
bonnet_typePACKING RETAINING
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleREDUCED SOCKET ONE BRAZING RING (TUBE) ALL ENDS
style_designatorANGLE
operating_pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
valve_operation_methodMANUAL
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
furnished_items_and_quantity1 HANDWHEEL
nominal_outside_diameter_tube_accommodated1.650 INCHES ALL ENDS IN
NSN4820-01-041-1219
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: SS845-1889587AS · 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 LENGTH: 0.250 INCHES NOMINAL SINGLE THREADED PORTION IN
MATERIAL: STEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATOR: UNS SINGLE THREADED PORTION
STYLE DESIGNATOR: THREADED FLANGED
FLANGE SEAT TO DISK END HEIGHT: 0.120 INCHES NOMINAL IN
SEATING SURFACE SHAPE: ANGULAR
SEAT ANGLE IN DEG: 15.250 NOMINAL
NOMINAL THREAD SIZE: 0.765 INCHES SINGLE THREADED PORTION IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.250 INCHES NOMINAL SINGLE THREADED PORTION IN
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
STYLE DESIGNATORTHREADED FLANGED
FLANGE SEAT TO DISK END HEIGHT0.120 INCHES NOMINAL IN
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG15.250 NOMINAL
NOMINAL THREAD SIZE0.765 INCHES SINGLE THREADED PORTION IN
FLANGE DIAMETER0.935 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.445 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5160-F1-380Interchangeable
interchangeable cross-reference
interchangeable
51158-F-380Interchangeable
interchangeable cross-reference
interchangeable
2620-902ASSYD1IInterchangeable
interchangeable cross-reference
interchangeable
70061939AND70061940Interchangeable
interchangeable cross-reference
interchangeable
2620-902ASSYAAPC23 1INInterchangeable
interchangeable cross-reference
interchangeable
845-1889587 PIECE 4 3/4INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS845-1889587AS?
SS845-1889587AS is a LOCKNUT,TUBE FITTING.
What parts can replace SS845-1889587AS?
There are 17 known substitutes for SS845-1889587AS: 5160-F1-380, 51158-F-380, 2620-902ASSYD1I and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SS845-1889587AS?
SS845-1889587AS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-041-1219. This indicates validated use in U.S. government and defense supply chains.
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