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Technical Data Sheet
PartsTable / COMPONENT / 802B8S
802B8S ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: COPPER ALLOY OR PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL OR VERTICAL, flow_control_device: PISTON. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-986-8082, 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
802B8S
NSN: 4820-00-986-8082
FSC: 4820
CAGE: 58553 — SUPERIOR VALVE CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL OR VERTICAL
flow_control_devicePISTON
valve_operation_methodAUTOMATIC
nominal_outside_diameter_tube_accommodated0.500 INCHES ALL ENDS IN
NSN4820-00-986-8082
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 802B8S · 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 ALL ENDS
•
MATERIAL: COPPER ALLOY BODY
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
MATERIALCOPPER ALLOY BODY
MOUNTING POSITIONHORIZONTAL OR VERTICAL
STYLE DESIGNATORSTRAIGHT THRU
MATERIALCOPPER ALLOY OR PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
CONNECTION STYLESOCKET (TUBE) ALL ENDS
MATERIALCOPPER ALLOY SEAT
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES ALL ENDS IN
FLOW CONTROL DEVICEPISTON
VALVE OPERATION METHODAUTOMATIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MS50RM1Interchangeable
interchangeable cross-reference
interchangeable
MS50RM73Interchangeable
interchangeable cross-reference
interchangeable
2557941-1Interchangeable
interchangeable cross-reference
interchangeable
C54661Interchangeable
interchangeable cross-reference
interchangeable
B94.9Interchangeable
interchangeable cross-reference
interchangeable
546-61Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 802B8S?
802B8S is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 802B8S?
There are 16 known substitutes for 802B8S: MS50RM1, MS50RM73, 2557941-1 and 13 more. Substitute compatibility should be verified for your specific system.
Is 802B8S still available?
802B8S is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026