PartsTable
Technical Data Sheet
845-1889568 ASSEMBLY E 1IN ✓ 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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-205-7819, 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 ASSEMBLY E 1IN
NSN: 4820-01-205-7819
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
NSN4820-01-205-7819
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 845-1889568 ASSEMBLY E 1IN · 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
BONNET ATTACHMENT METHOD: THREADED
STYLE DESIGNATOR: STRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES ALL ENDS IN
CONNECTION STYLE: SOCKET WITH BRAZING RING (TUBE) ALL ENDS
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
MATERIAL: PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
FLOW CONTROL DEVICE: DISK
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS (FLIS)
BONNET ATTACHMENT METHODTHREADED
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES ALL ENDS IN
CONNECTION STYLESOCKET WITH BRAZING RING (TUBE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
MATERIALPLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
FLOW CONTROL DEVICEDISK
VALVE OPERATION METHODMANUAL
SPECIAL FEATURESLEVEL I REQUIREMENTS DO NOT APPLY
BONNET TYPEINSIDE SCREW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
2620-902X6 PIECE 23 1 1/2INInterchangeable
interchangeable cross-reference
interchangeable
70302690AND70302691Interchangeable
interchangeable cross-reference
interchangeable
845-1889568 PIECE 23 1 1/2INInterchangeable
interchangeable cross-reference
interchangeable
2620-902X6ASSYAA 1INInterchangeable
interchangeable cross-reference
interchangeable
2620-902X6Interchangeable
interchangeable cross-reference
interchangeable
2620-902X6 PIECE 22 1 1/2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-1889568 ASSEMBLY E 1IN?
845-1889568 ASSEMBLY E 1IN is a LOCKNUT,TUBE FITTING.
What parts can replace 845-1889568 ASSEMBLY E 1IN?
There are 8 known substitutes for 845-1889568 ASSEMBLY E 1IN: 2620-902X6 PIECE 23 1 1/2IN, 70302690AND70302691, 845-1889568 PIECE 23 1 1/2IN and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-1889568 ASSEMBLY E 1IN?
845-1889568 ASSEMBLY E 1IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-205-7819. This indicates validated use in U.S. government and defense supply chains.
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