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6304349 — 6304349

✓ Government record, cited
NAVAL FACILITIES ENGINEERING COMMAND · GATE VALVE
PRODUCT OVERVIEW

6304349: 6304349.

The 6304349 is a NAVAL FACILITIES ENGINEERING COMMAND industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-453-2185, 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
6304349
NSN: 4820-01-453-2185
NIINs: 014532185, 014532198, 014532461, 014532833, 014533948
FSC: 4820 — Valves, Nonpowered
CAGE: 80091 — NAVAL FACILITIES ENGINEERING COMMAND (USA)
SPECIFICATIONS
Part Number6304349
ManufacturerNAVAL FACILITIES ENGINEERING COMMAND
NSN4820-01-453-2185
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6304349 · NAVAL FACILITIES ENGINEERING COMMAND ⚠ 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
•
OPERATING PRESSURE AND TYPE: 145.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
•
CONNECTION TYPE: THREADED INTERNAL TUBE
•
VALVE SIZE: 0.250 INCHES IN
•
FEATURES PROVIDED: DETENT
•
FLOW TYPE: THREE-WAY
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
BODY MATERIAL: ALUMINUM
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MOUNTING FACILITY: SUB-PLATE
TECHNICAL CHARACTERISTICS
OPERATING PRESSURE AND TYPE145.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
CONNECTION TYPETHREADED INTERNAL TUBE
VALVE SIZE0.250 INCHES IN
FEATURES PROVIDEDDETENT
FLOW TYPETHREE-WAY
NOMINAL THREAD SIZE0.250 INCHES IN
BODY MATERIALALUMINUM
MOUNTING FACILITYSUB-PLATE
CONNECTION LOCATIONSIDE
SPECIAL FEATURESW/HAND LEVER;COMPONENT OF ELCAS (M) CONTROL CONSOLE ARRANGEMENT LEVEL 3,NAVAL FACILITIES ENGINEERING COMMAND,DWG.NO.6304349
SUBSTITUTES & CROSS-REFERENCES 2
8987-H-3-1/4-BReference document
Same NSN cross-reference
Reference document — Design control — primary reference
6304349 FIND 21Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6304349?
6304349 is a 6304349 manufactured by NAVAL FACILITIES ENGINEERING COMMAND.
What parts can replace 6304349?
There are 2 known substitutes for 6304349: 8987-H-3-1/4-B, 6304349 FIND 21. Substitute compatibility should be verified for your specific system.
What is the NSN for 6304349?
6304349 is cataloged in the U.S. Government catalog under NSN 4820-01-453-2185. 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.