PartsTable
Technical Data Sheet
845-1889568 ✓ 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: BRONZE BODY, bonnet_type: INSIDE SCREW, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET WITH BRAZING RING (TUBE) ALL ENDS, special_features: LEVEL I REQUIREMENTS DO NOT APPLY, style_designator: STRAIGHT THRU. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-067-3957, 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
845-1889568
NSN: 4820-01-067-3957
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialBRONZE BODY
bonnet_typeINSIDE SCREW
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET WITH BRAZING RING (TUBE) ALL ENDS
special_featuresLEVEL I REQUIREMENTS DO NOT APPLY
style_designatorSTRAIGHT THRU
features_providedBONNET PACKING
flow_control_deviceDISK
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
nominal_outside_diameter_tube_accommodated1.000 INCHES ALL ENDS IN
NSN4820-01-067-3957
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 845-1889568 · 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
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
803-2177934Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889568ASInterchangeable
interchangeable cross-reference
interchangeable
2620-902X6Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889568ASSYC1 1-2INInterchangeable
interchangeable cross-reference
interchangeable
SS845-1889568Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889568ASSYCL1 1-2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-1889568?
845-1889568 is a LOCKNUT,TUBE FITTING.
What parts can replace 845-1889568?
There are 22 known substitutes for 845-1889568: 803-2177934, SS845-1889568AS, 2620-902X6 and 19 more. Substitute compatibility should be verified for your specific system.
Is 845-1889568 still available?
845-1889568 is currently cancelled.
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