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645B-5-6-T — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

645B-5-6-T: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, thread_class: 2B ALL ENDS, connection_style: GASKET SEAL(BOSS) ALL ENDS, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS, features_provided: PRESSURE TIGHT OUTLET SIDE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-059-4933, 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
645B-5-6-T
NSN: 4820-00-059-4933
FSC: 4820 — Valves, Nonpowered
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
thread_class2B ALL ENDS
connection_styleGASKET SEAL(BOSS) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
features_providedPRESSURE TIGHT OUTLET SIDE
surface_treatmentPASSIVATE LOCATION NOT OTHERWISE SPECIFIED
operating_pressure2200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.562 INCHES ALL ENDS IN
maximum_operating_temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-00-059-4933
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 645B-5-6-T · 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: GASKET SEAL(BOSS) ALL ENDS
•
STYLE DESIGNATOR: ANGLE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 2200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
ADJUSTABLE PRESSURE RANGE: +235.0 TO 450.0 POUNDS PER SQUARE INCH LBS
•
FEATURES PROVIDED: PRESSURE TIGHT OUTLET SIDE
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
STYLE DESIGNATORANGLE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS IN
OPERATING PRESSURE2200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+235.0 TO 450.0 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE DEGF
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 645B-5-6-T?
645B-5-6-T is a VALVE,SAFETY RELIEF.
What is the NSN for 645B-5-6-T?
645B-5-6-T is cataloged in the U.S. Government catalog under NSN 4820-00-059-4933. This indicates validated use in U.S. government and defense supply chains.
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