PartsTable
Technical Data Sheet
SS845-1889587ASSYD1 1-4INL1 ✓ 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: NICKEL ALLOY 400 FLOW CONTROL DEVICE, bonnet_type: INSIDE SCREW, connection_type: UNTHREADED INTERNAL PIPE FIRST END, connection_style: SOCKET WITH BRAZING RING FIRST END, style_designator: ANGLE, features_provided: BONNET PACKING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-945-1746, 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
SS845-1889587ASSYD1 1-4INL1
NSN: 4820-00-945-1746
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 FLOW CONTROL DEVICE
bonnet_typeINSIDE SCREW
connection_typeUNTHREADED INTERNAL PIPE FIRST END
connection_styleSOCKET WITH BRAZING RING FIRST END
style_designatorANGLE
features_providedBONNET PACKING
operating_pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
NSN4820-00-945-1746
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: SS845-1889587ASSYD1 1-4INL1 · 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
STYLE DESIGNATOR: ANGLE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
VALVE OPERATION METHOD: MANUAL
BONNET ATTACHMENT METHOD: THREADED
FEATURES PROVIDED: BONNET PACKING
NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES FIRST END IN
CONNECTION TYPE: UNTHREADED INTERNAL PIPE FIRST END
RENEWABLE SEAT RING TYPE: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORANGLE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
VALVE OPERATION METHODMANUAL
BONNET ATTACHMENT METHODTHREADED
FEATURES PROVIDEDBONNET PACKING
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
RENEWABLE SEAT RING TYPETHREADED
OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FURNISHED ITEMS AND QUANTITY2 BRAZING RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
2620-902Interchangeable
interchangeable cross-reference
interchangeable
845-1889587ASSYE1/2INInterchangeable
interchangeable cross-reference
interchangeable
2620-902L1Interchangeable
interchangeable cross-reference
interchangeable
2620-902ASSYCInterchangeable
interchangeable cross-reference
interchangeable
2620-902ASSYB2Interchangeable
interchangeable cross-reference
interchangeable
845-1889587ASSYB2L1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS845-1889587ASSYD1 1-4INL1?
SS845-1889587ASSYD1 1-4INL1 is a LOCKNUT,TUBE FITTING.
What parts can replace SS845-1889587ASSYD1 1-4INL1?
There are 19 known substitutes for SS845-1889587ASSYD1 1-4INL1: 2620-902, 845-1889587ASSYE1/2IN, 2620-902L1 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SS845-1889587ASSYD1 1-4INL1?
SS845-1889587ASSYD1 1-4INL1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-945-1746. This indicates validated use in U.S. government and defense supply chains.
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