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Technical Data Sheet
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NO. 8C — VALVE,VACUUM BREAKING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NO. 8C: VALVE,VACUUM BREAKING.

The VALVE,VACUUM BREAKING is a the manufacturer industrial component. Key specifications include material: RUBBER SEAT, end_item_identification: 4110-01-534-7675, media_for_which_designed: WATER, FRESH. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-585-1204, 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
NO. 8C
NSN: 4820-01-585-1204
FSC: 4820 — Valves, Nonpowered
CAGE: 3NNR2 — WATTS WATER TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialRUBBER SEAT
end_item_identification4110-01-534-7675
media_for_which_designedWATER, FRESH
NSN4820-01-585-1204
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NO. 8C · 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
•
MATERIAL: COPPER ALLOY BODY
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATION4110-01-534-7675
MATERIALCOPPER ALLOY BODY
MATERIALRUBBER SEAT
MEDIA FOR WHICH DESIGNEDWATER, FRESH
SUBSTITUTES & CROSS-REFERENCES 2
8C 3/4Reference document
Same NSN cross-reference
Reference document — Secondary reference
0061985Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NO. 8C?
NO. 8C is a VALVE,VACUUM BREAKING.
What parts can replace NO. 8C?
There are 2 known substitutes for NO. 8C: 8C 3/4, 0061985. Substitute compatibility should be verified for your specific system.
What is the NSN for NO. 8C?
NO. 8C is cataloged in the U.S. Government catalog under NSN 4820-01-585-1204. 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.