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PartsTable / COMPONENT / 001098 ITEM 2
001098 ITEM 2 ✓ 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

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, special_features: VALVE SIZE 0.500IN IN, end_item_identification: 170' PATROL COASTAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-421-8763, 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
001098 ITEM 2
NSN: 4820-01-421-8763
FSC: 4820
CAGE: 19243 — ITT FLUID TECHNOLOGY CORP ITT ENGINEERED VALVES DIV (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
special_featuresVALVE SIZE 0.500IN IN
end_item_identification170' PATROL COASTAL
NSN4820-01-421-8763
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 001098 ITEM 2 · 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
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION170' PATROL COASTAL
SPECIAL FEATURESVALVE SIZE 0.500IN IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
125-267Interchangeable
interchangeable cross-reference
interchangeable
2918Interchangeable
interchangeable cross-reference
interchangeable
334397Interchangeable
interchangeable cross-reference
interchangeable
8464Interchangeable
interchangeable cross-reference
interchangeable
666157-164Interchangeable
interchangeable cross-reference
interchangeable
8BCAWInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 001098 ITEM 2?
001098 ITEM 2 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace 001098 ITEM 2?
There are 9 known substitutes for 001098 ITEM 2: 125-267, 2918, 334397 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 001098 ITEM 2?
001098 ITEM 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-421-8763. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026