PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5-1864 PIECE 21 6IN
5-1864 PIECE 21 6IN ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL SEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-192-3522, 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
5-1864 PIECE 21 6IN
NSN: 4820-01-192-3522
FSC: 4820
CAGE: 85578 — MARK CONTROLS CORP PACIFIC VALVES DIV (USA)
SPECIFICATIONS
materialSTEEL SEAT
NSN4820-01-192-3522
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5-1864 PIECE 21 6IN · 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: STEEL SEAT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL SEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
51864Interchangeable
interchangeable cross-reference
interchangeable
4188150-208Interchangeable
interchangeable cross-reference
interchangeable
RB14-6Interchangeable
interchangeable cross-reference
interchangeable
216-55341-4Interchangeable
interchangeable cross-reference
interchangeable
5-1864 PIECE 19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 5-1864 PIECE 21 6IN?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 5-1864 PIECE 21 6IN?
5-1864 PIECE 21 6IN is a SEAT,VALVE.
What parts can replace 5-1864 PIECE 21 6IN?
There are 5 known substitutes for 5-1864 PIECE 21 6IN: 51864, 4188150-208, RB14-6 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5-1864 PIECE 21 6IN?
5-1864 PIECE 21 6IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-192-3522. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 5-1864 PIECE 21 6IN

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026