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18S-FS3 ITEM 11 — FLANGE,GLAND,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

18S-FS3 ITEM 11: FLANGE,GLAND,VALVE.

The FLANGE,GLAND,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, valve_size: 0.750 INCHES IN, valve_type: GATE, special_features: USED ON NPS CLASS 800 NEWCO FORGED STEEL GATE VALVE; NEWCO FIGURE: 18S-FS3, end_item_identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-423-1846, 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-FS3 ITEM 11
NSN: 4820-01-423-1846
FSC: 4820 — Valves, Nonpowered
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
materialSTEEL
valve_size0.750 INCHES IN
valve_typeGATE
special_featuresUSED ON NPS CLASS 800 NEWCO FORGED STEEL GATE VALVE; NEWCO FIGURE: 18S-FS3
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
NSN4820-01-423-1846
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18S-FS3 ITEM 11 · 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
•
VALVE SIZE: 0.750 INCHES IN
•
VALVE TYPE: GATE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
VALVE SIZE0.750 INCHES IN
SPECIAL FEATURESUSED ON NPS CLASS 800 NEWCO FORGED STEEL GATE VALVE; NEWCO FIGURE: 18S-FS3
VALVE TYPEGATE
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
A0681-00 IT11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
A0681-00Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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-FS3 ITEM 11?
18S-FS3 ITEM 11 is a FLANGE,GLAND,VALVE.
What parts can replace 18S-FS3 ITEM 11?
There are 2 known substitutes for 18S-FS3 ITEM 11: A0681-00 IT11, A0681-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 18S-FS3 ITEM 11?
18S-FS3 ITEM 11 is cataloged in the U.S. Government catalog under NSN 4820-01-423-1846. 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.