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609-4775887ITEM — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

609-4775887ITEM: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, seat_angle: 40.0 DEGREES NOMINAL, thread_class: 2B, overall_height: 1.062 INCHES NOMINAL IN, outside_diameter: 3.125 INCHES NOMINAL IN, style_designator: PLUG. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-375-7542, 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
609-4775887ITEM
NSN: 4820-00-375-7542
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
seat_angle40.0 DEGREES NOMINAL
thread_class2B
overall_height1.062 INCHES NOMINAL IN
outside_diameter3.125 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size2.000 INCHES IN
thread_quantity_per_inch12
thread_series_designatorUN
NSN4820-00-375-7542
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 609-4775887ITEM · 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: 3.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 40.0 DEGREES NOMINAL
•
NOMINAL THREAD SIZE: 2.000 INCHES IN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 12
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.062 INCHES NOMINAL IN
OUTSIDE DIAMETER3.125 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
SEAT ANGLE40.0 DEGREES NOMINAL
NOMINAL THREAD SIZE2.000 INCHES IN
THREAD CLASS2B
THREAD QUANTITY PER INCH12
MATERIALCOPPER ALLOY
THREAD SERIES DESIGNATORUN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 8
571-3601-1302659REVAPC3Reference document
Same NSN cross-reference
Reference document — Secondary reference
609-4775887 ITEReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3965-26REVDPC3Reference document
Same NSN cross-reference
Reference document — Secondary reference
564-3601-936611ALT5PCDReference document
Same NSN cross-reference
Reference document — Secondary reference
3965-26REVBPC3Reference document
Same NSN cross-reference
Reference document — Secondary reference
3601-1286372REVBPC3Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 609-4775887ITEM?
609-4775887ITEM is a DISK,VALVE.
What parts can replace 609-4775887ITEM?
There are 8 known substitutes for 609-4775887ITEM: 571-3601-1302659REVAPC3, 609-4775887 ITE, 3965-26REVDPC3 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 609-4775887ITEM?
609-4775887ITEM is cataloged in the U.S. Government catalog under NSN 4820-00-375-7542. 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.