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PartsTable / COMPONENT / 668-3-9
668-3-9 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include supplementary_features: COGNIZANT SERVICE - UNITED KINGDOM ROYAL AIR FORCE, end_item_identification: CHINOOK,IMO DELAVAL INC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-862-9412, 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
668-3-9
NSN: 4820-00-862-9412
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
supplementary_featuresCOGNIZANT SERVICE - UNITED KINGDOM ROYAL AIR FORCE
end_item_identificationCHINOOK,IMO DELAVAL INC
NSN4820-00-862-9412
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 668-3-9 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STAINLESS STEEL O/A; 1.625 IN.O/A OD; 0.339 IN.W OF WRENCHING FEATURE; INTERNALLY THD 1.000-20 UNEF; 0.500 IN.LG OF THDS; 0.875 IN.ID; 0.752 IN.O/A LG;TAPERED OD; 20 DEGREE TAPER,0.430 IN.LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTAINLESS STEEL O/A; 1.625 IN.O/A OD; 0.339 IN.W OF WRENCHING FEATURE; INTERNALLY THD 1.000-20 UNEF; 0.500 IN.LG OF THDS; 0.875 IN.ID; 0.752 IN.O/A LG;TAPERED OD; 20 DEGREE TAPER,0.430 IN.LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
101471Interchangeable
interchangeable cross-reference
interchangeable
23024-4Interchangeable
interchangeable cross-reference
interchangeable
261-32-08-030Interchangeable
interchangeable cross-reference
interchangeable
8107631Interchangeable
interchangeable cross-reference
interchangeable
5202X3017Interchangeable
interchangeable cross-reference
interchangeable
5202HC180Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 668-3-9?
668-3-9 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 668-3-9?
There are 11 known substitutes for 668-3-9: 101471, 23024-4, 261-32-08-030 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 668-3-9?
668-3-9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-862-9412. 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