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803-6983468-PC014 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-6983468-PC014: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 3.940 INCHES NOMINAL IN, inside_diameter: 0.755 INCHES NOMINAL IN, valve_design_control_activity: 57311, valve_size_for_which_designed: 3.000 INCHES IN, valve_type_for_which_designed: CHECK. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-431-1287, 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
803-6983468-PC014
NSN: 4820-01-431-1287
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length3.940 INCHES NOMINAL IN
inside_diameter0.755 INCHES NOMINAL IN
valve_design_control_activity57311
valve_size_for_which_designed3.000 INCHES IN
valve_type_for_which_designedCHECK
NSN4820-01-431-1287
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-6983468-PC014 · 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
•
VALVE TYPE FOR WHICH DESIGNED: CHECK
•
VALVE SIZE FOR WHICH DESIGNED: 3.000 INCHES IN
•
INSIDE DIAMETER: 0.755 INCHES NOMINAL IN
•
VALVE DESIGN CONTROL ACTIVITY: 57311
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDCHECK
OVERALL LENGTH3.940 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED3.000 INCHES IN
INSIDE DIAMETER0.755 INCHES NOMINAL IN
VALVE DESIGN CONTROL ACTIVITY57311
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
803-6983468Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 803-6983468-PC014?
803-6983468-PC014 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 803-6983468-PC014?
There is 1 known substitute for 803-6983468-PC014: 803-6983468. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-6983468-PC014?
803-6983468-PC014 is cataloged in the U.S. Government catalog under NSN 4820-01-431-1287. 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.