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Technical Data Sheet
PartsTable / COMPONENT / 15643 REV D FIND NO. 11
15643 REV D FIND NO. 11 ✓ 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 15643 REV D FIND NO. 11 is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-146-9862, 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
15643 REV D FIND NO. 11
NSN: 4820-01-146-9862
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
Part Number15643 REV D FIND NO. 11
NSN4820-01-146-9862
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 15643 REV D FIND NO. 11 · 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: NICKEL ALLOY SEAT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY SEAT
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
END ITEM IDENTIFICATIONCLA-VAL CO MAGAZINE SPRINKLER VALVE MODEL NO. 100PM-4BEP, SIZE 4 IN. IN
SEATING SURFACE SHAPEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
15643Interchangeable
interchangeable cross-reference
interchangeable
QQA200-3Interchangeable
interchangeable cross-reference
interchangeable
1M322Interchangeable
interchangeable cross-reference
interchangeable
MS16327-1Interchangeable
interchangeable cross-reference
interchangeable
24Interchangeable
interchangeable cross-reference
interchangeable
GGG-S-65Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15643 REV D FIND NO. 11?
15643 REV D FIND NO. 11 is a 15643 REV D FIND NO. 11.
What parts can replace 15643 REV D FIND NO. 11?
There are 22 known substitutes for 15643 REV D FIND NO. 11: 15643, QQA200-3, 1M322 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15643 REV D FIND NO. 11?
15643 REV D FIND NO. 11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-146-9862. 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