PartsTable
Technical Data Sheet
15643 4IN ✓ 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

COVER,ELECTRONIC COMMUNICATION E. Key specifications include material: NICKEL ALLOY SEAT, valve_size: 4.000 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, bolt_hole_quantity: 8 ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-394-8160, 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 4IN
NSN: 4820-01-394-8160
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialNICKEL ALLOY SEAT
valve_size4.000 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU FLANGED ENDS
bolt_hole_quantity8 ALL ENDS
flange_face_designPLAIN ALL ENDS
operating_pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
media_for_which_designedAIR SINGLE RESPONSE
material_document_and_classificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
NSN4820-01-394-8160
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 15643 4IN · 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 DOCUMENT AND CLASSIFICATION: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
CONNECTION TYPE: FLANGE ALL ENDS
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
MATERIAL: COPPER ALLOY BODY
VALVE SIZE: 4.000 INCHES IN
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
MATERIALCOPPER ALLOY BODY
VALVE SIZE4.000 INCHES IN
MATERIALRUBBER SYNTHETIC FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY STEM
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
FLANGE FACE DESIGNPLAIN ALL ENDS
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
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 4IN?
15643 4IN is a COVER,ELECTRONIC COMMUNICATION E.
What parts can replace 15643 4IN?
There are 23 known substitutes for 15643 4IN: 15643, QQA200-3, 1M322 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15643 4IN?
15643 4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-394-8160. This indicates validated use in U.S. government and defense supply chains.
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