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446-12SS27-6 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

446-12SS27-6: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 BODY, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED INTERNAL BOSS SECOND END, connection_style: FLARED (TUBE) FIRST END, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-047-1107, 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
446-12SS27-6
NSN: 4820-01-047-1107
FSC: 4820 — Valves, Nonpowered
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 BODY
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED INTERNAL BOSS SECOND END
connection_styleFLARED (TUBE) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size1.062 INCHES SECOND END IN
NSN4820-01-047-1107
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 446-12SS27-6 · 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
•
FLOW CONTROL DEVICE: POPPET
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED-STD-66, AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE SEAT
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEGASKET SEAL (BOSS) SECOND END
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONFED-STD-66, AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONFEDSTD,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE BODY
OPERATING PRESSURE5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SUBSTITUTES & CROSS-REFERENCES 2
215-01757-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
215-01757Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 446-12SS27-6?
446-12SS27-6 is a VALVE,CHECK.
What parts can replace 446-12SS27-6?
There are 2 known substitutes for 446-12SS27-6: 215-01757-5, 215-01757. Substitute compatibility should be verified for your specific system.
What is the NSN for 446-12SS27-6?
446-12SS27-6 is cataloged in the U.S. Government catalog under NSN 4820-01-047-1107. This indicates validated use in U.S. government and defense supply chains.
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