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18S-FS2 1.25IN — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

18S-FS2 1.25IN: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: STEEL DISK, stem_type: RISING, valve_size: 1.250 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 4820-01-423-2000, 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 1.25IN
NSN: 4820-01-423-2000
FSC: 4820 — Valves, Nonpowered
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
materialSTEEL DISK
stem_typeRISING
valve_size1.250 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
pressure_classERR-060
connection_typeSOCKET, WELD, PIPE
features_providedBONNET PACKING
valve_operation_methodMANUAL
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
bonnet_attachment_methodBOLTED
furnished_items_and_quantity1 HANDWHEEL
inlet_relationship_with_outletIDENTICAL
NSN4820-01-423-2000
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18S-FS2 1.25IN · 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
•
FURNISHED ITEMS AND QUANTITY: 1 HANDWHEEL
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES IN
•
STEM TYPE: RISING
•
CONNECTION TYPE: SOCKET, WELD, PIPE
•
VALVE SIZE: 1.250 INCHES IN
•
FEATURES PROVIDED: BONNET PACKING
•
BONNET TYPE: OUTSIDE SCREW-YOKE
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES IN
STEM TYPERISING
CONNECTION TYPESOCKET, WELD, PIPE
VALVE SIZE1.250 INCHES IN
FEATURES PROVIDEDBONNET PACKING
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
SUBSTITUTES & CROSS-REFERENCES 1
A046200Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18S-FS2 1.25IN?
18S-FS2 1.25IN is a VALVE,GATE.
What parts can replace 18S-FS2 1.25IN?
There is 1 known substitute for 18S-FS2 1.25IN: A046200. Substitute compatibility should be verified for your specific system.
What is the NSN for 18S-FS2 1.25IN?
18S-FS2 1.25IN is cataloged in the U.S. Government catalog under NSN 4820-01-423-2000. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.