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28186 ✓ Verified by PartsTable
Clementoni · 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

BALL JOINT,CONTROL,INVERTED NUT. Key specifications include general_characteristics_item_description: ONE IN. DIA; CTR BOLT HOLE; THREADED ONE END; ONE END HAS 2 SET SCREWS 180 DEG APART; OTHER END HAS ROLL PIN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-046-2199, 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
28186
NSN: 4820-01-046-2199
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
general_characteristics_item_descriptionONE IN. DIA; CTR BOLT HOLE; THREADED ONE END; ONE END HAS 2 SET SCREWS 180 DEG APART; OTHER END HAS ROLL PIN
NSN4820-01-046-2199
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 28186 · Clementoni ⚠ 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
•
FLANGE SEAT TO DISK END HEIGHT: 1.330 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
UNDER FLANGE HEIGHT: 0.420 INCHES NOMINAL IN
•
SHANK DIAMETER: 0.310 INCHES NOMINAL IN
•
TIP DIAMETER: 0.135 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE SEAT TO DISK END HEIGHT1.330 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
UNDER FLANGE HEIGHT0.420 INCHES NOMINAL IN
SHANK DIAMETER0.310 INCHES NOMINAL IN
TIP DIAMETER0.135 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
OVERALL HEIGHT1.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
A39344Interchangeable
interchangeable cross-reference
interchangeable
A39344M0DInterchangeable
interchangeable cross-reference
interchangeable
A39344 MOD 6Interchangeable
interchangeable cross-reference
interchangeable
3315562Interchangeable
interchangeable cross-reference
interchangeable
H3315562Interchangeable
interchangeable cross-reference
interchangeable
39344M0D9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28186?
28186 is a BALL JOINT,CONTROL,INVERTED NUT manufactured by Clementoni.
What parts can replace 28186?
There are 21 known substitutes for 28186: A39344, A39344M0D, A39344 MOD 6 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28186?
28186 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-046-2199. 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