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Technical Data Sheet

481-3/8B2-65 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

481-3/8B2-65: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, special_features: OPEINING PRESSURE 65.0 PSI, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-043-5288, 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
481-3/8B2-65
NSN: 4820-01-043-5288
FSC: 4820 — Valves, Nonpowered
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
special_featuresOPEINING PRESSURE 65.0 PSI
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND SECOND END
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.375 INCHES FIRST END IN
maximum_operating_temp200.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-01-043-5288
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 481-3/8B2-65 · 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: PLAIN, OPTIONAL END (PIPE) FIRST END
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-1149,TYPE 2,CLASS 5 MIL SPEC SINGLE MATERIAL RESPONSE PACKING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-1149,TYPE 2,CLASS 5 MIL SPEC SINGLE MATERIAL RESPONSE PACKING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-1149,TYPE 2,CLASS 5 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 481-3/8B2-65?
481-3/8B2-65 is a VALVE,CHECK.
What is the NSN for 481-3/8B2-65?
481-3/8B2-65 is cataloged in the U.S. Government catalog under NSN 4820-01-043-5288. This indicates validated use in U.S. government and defense supply chains.
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