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MA50-ACNO-12 — VALVE SLEW STOP

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MA50-ACNO-12: VALVE SLEW STOP.

The VALVE SLEW STOP is a the manufacturer industrial component. Key specifications include overall_width: 3.200 INCHES MAXIMUM IN, overall_length: 6.810 INCHES MAXIMUM IN, special_features: INLET/OUTLET THREADS 12-3/4 NPTF;INLET/OUTLET FLOW RATE 50 GPM;AC ROLLER OPERATED, thread_size_and_series/type_designator: 07.50-12-1 UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 4820-01-479-4975, 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
MA50-ACNO-12
NSN: 4820-01-479-4975
FSC: 4820 — Valves, Nonpowered
CAGE: 02249 — PARKER HANNIFIN CORPORATION DBA GRESEN HYDRAULICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
overall_width3.200 INCHES MAXIMUM IN
overall_length6.810 INCHES MAXIMUM IN
special_featuresINLET/OUTLET THREADS 12-3/4 NPTF;INLET/OUTLET FLOW RATE 50 GPM;AC ROLLER OPERATED
thread_size_and_series/type_designator07.50-12-1 UNIFIED NATIONAL COARSE (UNC)
NSN4820-01-479-4975
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MA50-ACNO-12 · 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
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 07.50-12-1 UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
OVERALL LENGTH6.810 INCHES MAXIMUM IN
OVERALL WIDTH3.200 INCHES MAXIMUM IN
SPECIAL FEATURESINLET/OUTLET THREADS 12-3/4 NPTF;INLET/OUTLET FLOW RATE 50 GPM;AC ROLLER OPERATED
THREAD SIZE AND SERIES/TYPE DESIGNATOR07.50-12-1 UNIFIED NATIONAL COARSE (UNC)
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
987772Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 MA50-ACNO-12?
MA50-ACNO-12 is a VALVE SLEW STOP.
What parts can replace MA50-ACNO-12?
There is 1 known substitute for MA50-ACNO-12: 987772. Substitute compatibility should be verified for your specific system.
What is the NSN for MA50-ACNO-12?
MA50-ACNO-12 is cataloged in the U.S. Government catalog under NSN 4820-01-479-4975. 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.