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KU1311N — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

KU1311N: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include flange_type: COVER, overall_width: 2.500 INCHES MAXIMUM IN, overall_height: 2.200 INCHES MAXIMUM IN, overall_length: 4.500 INCHES NOMINAL IN, trade_designation: ISOLATOR,RESONANCE WAVEGUIDE, controlling_agency: GENERAL DYNAMICS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-507-8923, 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
KU1311N
NSN: 4820-01-507-8923
FSC: 4820 — Valves, Nonpowered
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
flange_typeCOVER
overall_width2.500 INCHES MAXIMUM IN
overall_height2.200 INCHES MAXIMUM IN
overall_length4.500 INCHES NOMINAL IN
flange_quantity2
trade_designationISOLATOR,RESONANCE WAVEGUIDE
connector_quantity2
controlling_agencyGENERAL DYNAMICS
identifying_number654VE4814-9 DRAWING NO.
frequency_range_rating+14.5 TO 15.4 GIGAHERTZ
NSN4820-01-507-8923
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: KU1311N · 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
SUBSTITUTES & CROSS-REFERENCES 2
KU1311Reference document
Same NSN cross-reference
Reference document — Secondary reference
3419799Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KU1311N?
KU1311N is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace KU1311N?
There are 2 known substitutes for KU1311N: KU1311, 3419799. Substitute compatibility should be verified for your specific system.
What is the NSN for KU1311N?
KU1311N is cataloged in the U.S. Government catalog under NSN 4820-01-507-8923. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.