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N-677 PIECE 3 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N-677 PIECE 3: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include pressure_rating: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, media_for_which_designed: AIR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-238-0293, 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
N-677 PIECE 3
NSN: 4820-01-238-0293
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
pressure_rating400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
media_for_which_designedAIR
NSN4820-01-238-0293
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N-677 PIECE 3 · 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
•
PRESSURE RATING: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
MEDIA FOR WHICH DESIGNED: AIR
TECHNICAL CHARACTERISTICS
PRESSURE RATING400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
MEDIA FOR WHICH DESIGNEDAIR
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 1
NB21225342Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 N-677 PIECE 3?
N-677 PIECE 3 is a DISK,VALVE.
What parts can replace N-677 PIECE 3?
There is 1 known substitute for N-677 PIECE 3: NB21225342. Substitute compatibility should be verified for your specific system.
What is the NSN for N-677 PIECE 3?
N-677 PIECE 3 is cataloged in the U.S. Government catalog under NSN 4820-01-238-0293. 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.