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280977PC17 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

280977PC17: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400, seat_angle: 40.0 DEGREES NOMINAL, temp_rating: 28.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF, overall_height: 1.304 INCHES NOMINAL IN, shank_diameter: 0.458 INCHES NOMINAL IN, flange_diameter: 0.624 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-956-7511, 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
280977PC17
NSN: 4820-00-956-7511
FSC: 4820 — Valves, Nonpowered
CAGE: 99657 — MAROTTA CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400
seat_angle40.0 DEGREES NOMINAL
temp_rating28.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF
overall_height1.304 INCHES NOMINAL IN
shank_diameter0.458 INCHES NOMINAL IN
flange_diameter0.624 INCHES NOMINAL IN
pressure_rating6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter0.458 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
special_featuresMATERIAL MONEL
style_designatorPOPPET
media_for_which_designedAIR OR GAS
NSN4820-00-956-7511
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 280977PC17 · 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
•
SHANK DIAMETER: 0.458 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.624 INCHES NOMINAL IN
•
PRESSURE RATING: 6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TEMP RATING: 28.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF
•
OUTSIDE DIAMETER: 0.458 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: POPPET
•
SEAT ANGLE: 40.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.458 INCHES NOMINAL IN
FLANGE DIAMETER0.624 INCHES NOMINAL IN
OVERALL HEIGHT1.304 INCHES NOMINAL IN
PRESSURE RATING6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TEMP RATING28.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF
OUTSIDE DIAMETER0.458 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
STYLE DESIGNATORPOPPET
SEAT ANGLE40.0 DEGREES NOMINAL
SPECIAL FEATURESMATERIAL MONEL
MEDIA FOR WHICH DESIGNEDAIR OR GAS
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 280977PC17?
280977PC17 is a DISK,VALVE.
What is the NSN for 280977PC17?
280977PC17 is cataloged in the U.S. Government catalog under NSN 4820-00-956-7511. 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.