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Technical Data Sheet

18S-FS2-1/2IN — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

18S-FS2-1/2IN: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING STEM, stem_type: RISING, valve_size: 0.500 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, pressure_class: ERR-060, connection_type: SOCKET, WELD, PIPE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-241-1595, 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
18S-FS2-1/2IN
NSN: 4820-01-241-1595
NIINs: 012411595, 015415723
FSC: 4820 — Valves, Nonpowered
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING STEM
stem_typeRISING
valve_size0.500 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
pressure_classERR-060
connection_typeSOCKET, WELD, PIPE
special_featuresEND CONNECTIONS: SOCKET WELD IAW ANSI B16.11
valve_operation_methodMANUAL
end_item_identificationNEW CONSTRUCTION LCS1
bonnet_attachment_methodBOLTED
operating_pressure_and_type800.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
furnished_items_and_quantity1 HANDWHEEL
NSN4820-01-241-1595
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18S-FS2-1/2IN · 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
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES IN
•
STEM TYPE: RISING
•
CONNECTION TYPE: SOCKET, WELD, PIPE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES IN
STEM TYPERISING
CONNECTION TYPESOCKET, WELD, PIPE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 TYPE 420 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 TYPE 420 ASSN STD SINGLE MATERIAL RESPONSE STEM
VALVE SIZE0.500 INCHES IN
FEATURES PROVIDEDBONNET PACKING
SUBSTITUTES & CROSS-REFERENCES 1
MV-18S 1/2Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18S-FS2-1/2IN?
18S-FS2-1/2IN is a VALVE,GATE.
What parts can replace 18S-FS2-1/2IN?
There is 1 known substitute for 18S-FS2-1/2IN: MV-18S 1/2. Substitute compatibility should be verified for your specific system.
What is the NSN for 18S-FS2-1/2IN?
18S-FS2-1/2IN is cataloged in the U.S. Government catalog under NSN 4820-01-241-1595. This indicates validated use in U.S. government and defense supply chains.
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