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18S-FS2 ITEM 3 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

18S-FS2 ITEM 3: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, pressure_rating: 800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: VALVE SIZE 1.250IN IN, end_item_identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-423-0752, 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 ITEM 3
NSN: 4820-01-423-0752
FSC: 4820 — Valves, Nonpowered
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
materialSTEEL
pressure_rating800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresVALVE SIZE 1.250IN IN
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
NSN4820-01-423-0752
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18S-FS2 ITEM 3 · 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
•
PRESSURE RATING: 800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
PRESSURE RATING800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
SPECIAL FEATURESVALVE SIZE 1.250IN IN
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
MATERIALSTEEL
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
A046200 IT3Reference 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 ITEM 3?
18S-FS2 ITEM 3 is a DISK,VALVE.
What parts can replace 18S-FS2 ITEM 3?
There is 1 known substitute for 18S-FS2 ITEM 3: A046200 IT3. Substitute compatibility should be verified for your specific system.
What is the NSN for 18S-FS2 ITEM 3?
18S-FS2 ITEM 3 is cataloged in the U.S. Government catalog under NSN 4820-01-423-0752. 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.