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PartsTable / COMPONENT / N11780
N11780 ✓ 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

DETECTOR,LASER ILLUMINATED TARGE. Key specifications include material: COPPER ALLOY 903 OVERALL, seat_radius: 0.078 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, overall_height: 1.588 INCHES NOMINAL IN, overall_length: 2.7500 INCHES NOMINAL IN, shank_diameter: 0.375 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 4820-00-036-1541, 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
N11780
NSN: 4820-00-036-1541
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 903 OVERALL
seat_radius0.078 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
overall_height1.588 INCHES NOMINAL IN
overall_length2.7500 INCHES NOMINAL IN
shank_diameter0.375 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OVERALL
outside_diameter1.315 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.4380 INCHES MINIMUM AND 1.4390 INCHES MAXIMUM IN
body_outside_diameter1.9310 INCHES MINIMUM AND 1.9320 INCHES MAXIMUM IN
flange_seat_to_disk_end_height1.395 INCHES NOMINAL IN
NSN4820-00-036-1541
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N11780 · 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
•
OUTSIDE DIAMETER: 1.315 INCHES NOMINAL IN
•
SEAT RADIUS: 0.078 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 1.395 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
SHANK DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.315 INCHES NOMINAL IN
OVERALL HEIGHT1.588 INCHES NOMINAL IN
SEAT RADIUS0.078 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT1.395 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
SHANK DIAMETER0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
11780Interchangeable
interchangeable cross-reference
interchangeable
2MS10B1Interchangeable
interchangeable cross-reference
interchangeable
1321-0610Interchangeable
interchangeable cross-reference
interchangeable
MS15718-29Interchangeable
interchangeable cross-reference
interchangeable
W500-610Interchangeable
interchangeable cross-reference
interchangeable
11.780Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N11780?
N11780 is a DETECTOR,LASER ILLUMINATED TARGE.
What parts can replace N11780?
There are 16 known substitutes for N11780: 11780, 2MS10B1, 1321-0610 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N11780?
N11780 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1541. 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