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PartsTable / COMPONENT / 18S-FS-2 1IN
18S-FS-2 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 CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 35.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 1.3750 INCHES NOMINAL IN, load_direction: ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-181-9446, 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-FS-2 1IN
NSN: 4820-00-181-9446
FSC: 4820
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter35.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width1.3750 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
end_item_identificationPROJECTOR VIDEO
overall_outside_diameter80.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
NSN4820-00-181-9446
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18S-FS-2 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
5307MInterchangeable
interchangeable cross-reference
interchangeable
140458Interchangeable
interchangeable cross-reference
interchangeable
EF57D 1.00INInterchangeable
interchangeable cross-reference
interchangeable
16S-FS2 1IN.Interchangeable
interchangeable cross-reference
interchangeable
80718Interchangeable
interchangeable cross-reference
interchangeable
CS4820-0014EINRXInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18S-FS-2 1IN?
18S-FS-2 1IN is a CIRCUIT CARD ASSEMBLY.
What parts can replace 18S-FS-2 1IN?
There are 12 known substitutes for 18S-FS-2 1IN: 5307M, 140458, EF57D 1.00IN and 9 more. Substitute compatibility should be verified for your specific system.
Is 18S-FS-2 1IN still available?
18S-FS-2 1IN 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