PartsTable
Technical Data Sheet
NS-3983 ASSEMBLYCL1 ✓ 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 VALVE,CHECK is a the manufacturer industrial component. Key specifications include connection_type: UNTHREADED INTERNAL TUBE FIRST END, connection_style: SOCKET (PIPE) FIRST END, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, disk_loading_method: WEIGHT, flow_control_device: DISK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-113-7824, 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
NS-3983 ASSEMBLYCL1
NSN: 4820-01-113-7824
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
connection_typeUNTHREADED INTERNAL TUBE FIRST END
connection_styleSOCKET (PIPE) FIRST END
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
disk_loading_methodWEIGHT
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
criticality_code_justificationZZZY
nominal_pipe_size_accommodated1.000 INCHES FIRST END IN
reference_number_differentiating_characteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-01-113-7824
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: NS-3983 ASSEMBLYCL1 · 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
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES FIRST END IN
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
DISK LOADING METHOD: WEIGHT
CONNECTION STYLE: SOCKET (PIPE) FIRST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
STYLE DESIGNATOR: STRAIGHT THRU
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES FIRST END IN
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
DISK LOADING METHODWEIGHT
CONNECTION STYLESOCKET (PIPE) FIRST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC
CRITICALITY CODE JUSTIFICATIONZZZY
MOUNTING POSITIONHORIZONTAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
2621-927-10ASSYIAInterchangeable
interchangeable cross-reference
interchangeable
2620-927X10ASSYFL1Interchangeable
interchangeable cross-reference
interchangeable
2621-927-10ASSYIAL1Interchangeable
interchangeable cross-reference
interchangeable
NS-3983 ASSY EInterchangeable
interchangeable cross-reference
interchangeable
NS-3983Interchangeable
interchangeable cross-reference
interchangeable
S90075/300413Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NS-3983 ASSEMBLYCL1?
NS-3983 ASSEMBLYCL1 is a VALVE,CHECK.
What parts can replace NS-3983 ASSEMBLYCL1?
There are 21 known substitutes for NS-3983 ASSEMBLYCL1: 2621-927-10ASSYIA, 2620-927X10ASSYFL1, 2621-927-10ASSYIAL1 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NS-3983 ASSEMBLYCL1?
NS-3983 ASSEMBLYCL1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-113-7824. This indicates validated use in U.S. government and defense supply chains.
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