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803-1385714-3AF MODIFIED — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-1385714-3AF MODIFIED: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-577-2702, 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
803-1385714-3AF MODIFIED
NSN: 4820-01-577-2702
NIINs: 015772702, 015782275, 015782281
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number803-1385714-3AF MODIFIED
NSN4820-01-577-2702
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-1385714-3AF MODIFIED · 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
1146-A21U .50INReference document
Same NSN cross-reference
Reference document — Design control — primary reference
1146-A21U P/N 1146-A21U .50INReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 803-1385714-3AF MODIFIED?
803-1385714-3AF MODIFIED is a VALVE,GATE.
What parts can replace 803-1385714-3AF MODIFIED?
There are 2 known substitutes for 803-1385714-3AF MODIFIED: 1146-A21U .50IN, 1146-A21U P/N 1146-A21U .50IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-1385714-3AF MODIFIED?
803-1385714-3AF MODIFIED is cataloged in the U.S. Government catalog under NSN 4820-01-577-2702. This indicates validated use in U.S. government and defense supply chains.
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