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PartsTable / COMPONENT / 18356N GROUP 7 PC 12B
18356N GROUP 7 PC 12B ✓ 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

SUPPORT,STRUCTURAL COMPONENT,AIR. Key specifications include material: STEEL CORROSION RESISTING OVERALL, taper_length: 0.046 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 45.000 NOMINAL, body_inside_diameter: 1.375 INCHES NOMINAL IN, body_outside_diameter: 1.624 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-484-1445, 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
18356N GROUP 7 PC 12B
NSN: 4810-01-484-1445
FSC: 4810
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
taper_length0.046 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
seat_angle_in_deg45.000 NOMINAL
body_inside_diameter1.375 INCHES NOMINAL IN
body_outside_diameter1.624 INCHES NOMINAL IN
seating_surface_shapeANGULAR
end_item_identification1-12 DONSXA DIAPHRAGM CONTROL VALVE WITH 55 ACTUATOR & H.O.D. & 760E
flange_seat_to_disk_end_height0.187 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySEAT RING
NSN4810-01-484-1445
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18356N GROUP 7 PC 12B · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
381-61Interchangeable
interchangeable cross-reference
interchangeable
381-1-61Interchangeable
interchangeable cross-reference
interchangeable
18356N PC 12BInterchangeable
interchangeable cross-reference
interchangeable
37821Interchangeable
interchangeable cross-reference
interchangeable
18356NInterchangeable
interchangeable cross-reference
interchangeable
18158Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18356N GROUP 7 PC 12B?
18356N GROUP 7 PC 12B is a SUPPORT,STRUCTURAL COMPONENT,AIR.
What parts can replace 18356N GROUP 7 PC 12B?
There are 8 known substitutes for 18356N GROUP 7 PC 12B: 381-61, 381-1-61, 18356N PC 12B and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18356N GROUP 7 PC 12B?
18356N GROUP 7 PC 12B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-484-1445. 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