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MC12549 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MC12549: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, seat_angle: 45.0 DEGREES NOMINAL, tip_diameter: 0.088 INCHES NOMINAL IN, overall_height: 0.995 INCHES NOMINAL IN, shank_diameter: 0.250 INCHES NOMINAL IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-082-1433, 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
MC12549
NSN: 4820-01-082-1433
FSC: 4820 — Valves, Nonpowered
CAGE: 76050 — EATON AEROSPACE LLC DBA STERER ENGINEERING DIV M.C.AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle45.0 DEGREES NOMINAL
tip_diameter0.088 INCHES NOMINAL IN
overall_height0.995 INCHES NOMINAL IN
shank_diameter0.250 INCHES NOMINAL IN
style_designatorPOPPET
under_flange_height0.720 INCHES NOMINAL IN
flange_seat_to_disk_end_height0.210 INCHES NOMINAL IN
NSN4820-01-082-1433
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MC12549 · 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: 0.250 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.210 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
TIP DIAMETER: 0.088 INCHES NOMINAL IN
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
UNDER FLANGE HEIGHT: 0.720 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.250 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.210 INCHES NOMINAL IN
OVERALL HEIGHT0.995 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
TIP DIAMETER0.088 INCHES NOMINAL IN
SEAT ANGLE45.0 DEGREES NOMINAL
UNDER FLANGE HEIGHT0.720 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
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

No substitute or cross-reference records for this part.

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 MC12549?
MC12549 is a DISK,VALVE.
What is the NSN for MC12549?
MC12549 is cataloged in the U.S. Government catalog under NSN 4820-01-082-1433. 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.