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0418C03-0185 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

0418C03-0185: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, valve_size: 0.500 INCHES IN, valve_operation_method: MANUAL, end_item_identification: R18 FLP ASSY, part_name_assigned_by_controlling_agency: VALVE, BALL, SS, FULL PORTED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-653-4748, 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
0418C03-0185
NSN: 4820-01-653-4748
FSC: 4820 — Valves, Nonpowered
CAGE: 20722 — THE ENTWISTLE COMPANY LLC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
valve_size0.500 INCHES IN
valve_operation_methodMANUAL
end_item_identificationR18 FLP ASSY
part_name_assigned_by_controlling_agencyVALVE, BALL, SS, FULL PORTED
NSN4820-01-653-4748
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 0418C03-0185 · 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: 0.500 INCHES IN
•
MATERIAL: STEEL COMP 316 BODY
TECHNICAL CHARACTERISTICS
VALVE SIZE0.500 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE, BALL, SS, FULL PORTED
END ITEM IDENTIFICATIONR18 FLP ASSY
MATERIALSTEEL COMP 316 BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE PACKING
MATERIALSTEEL COMP 316 STEM
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIALSTEEL STAINLESS - USE STB000 FLOW CONTROL DEVICE
VALVE OPERATION METHODMANUAL
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

No substitute or cross-reference records for this part.

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 0418C03-0185?
0418C03-0185 is a VALVE,BALL.
What is the NSN for 0418C03-0185?
0418C03-0185 is cataloged in the U.S. Government catalog under NSN 4820-01-653-4748. 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.