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Technical Data Sheet

30/3.4.1ALT.10 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

30/3.4.1ALT.10: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: COPPER ALLOY 922 BODY, body_style: STRAIGHT THRU, regulation_type: AUTOMATIC SINGLE STAGE, flow_control_device: DIAPHRAGM, valve_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-287-3580, 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
30/3.4.1ALT.10
NSN: 4820-00-287-3580
NIINs: 002873580, 014473974
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialCOPPER ALLOY 922 BODY
body_styleSTRAIGHT THRU
regulation_typeAUTOMATIC SINGLE STAGE
flow_control_deviceDIAPHRAGM
valve_loading_methodSPRING
outlet_pressure_range80.0 TO 140.0 CAMERA MOUNT
end_connection_quantity2
first_end_connection_typeTHREADED INTERNAL PIPE
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
material_document_and_classificationUNABLE TO DECODE
NSN4820-00-287-3580
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 30/3.4.1ALT.10 · 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
•
FIRST END BOLT HOLE QUANTITY: 4
•
FLOW CONTROL DEVICE: DISK, BEVEL SEAT, TOP GUIDED AND DISK, BEVEL SEAT, BOTTOM GUIDED
•
VALVE STEM DESIGN: SINGLE SEAT
•
RENEWABLE SEAT RING TYPE: THREADED
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
REMOTE ACTUATION METHOD: PISTON
•
BODY STYLE: STRAIGHT THRU
•
FACE TO FACE DISTANCE: 9.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END BOLT HOLE QUANTITY4
FLOW CONTROL DEVICEDISK, BEVEL SEAT, TOP GUIDED AND DISK, BEVEL SEAT, BOTTOM GUIDED
VALVE STEM DESIGNSINGLE SEAT
RENEWABLE SEAT RING TYPETHREADED
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
REMOTE ACTUATION METHODPISTON
BODY STYLESTRAIGHT THRU
FACE TO FACE DISTANCE9.750 INCHES NOMINAL IN
REGULATION TYPEMANUAL SINGLE STAGE
FIRST END FLANGE THICKNESS0.688 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
L223FALT8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30/3.4.1ALT.10?
30/3.4.1ALT.10 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 30/3.4.1ALT.10?
There is 1 known substitute for 30/3.4.1ALT.10: L223FALT8. Substitute compatibility should be verified for your specific system.
What is the NSN for 30/3.4.1ALT.10?
30/3.4.1ALT.10 is cataloged in the U.S. Government catalog under NSN 4820-00-287-3580. This indicates validated use in U.S. government and defense supply chains.
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