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B5255 — VALVE,CROSS

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B5255: VALVE,CROSS.

The VALVE,CROSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 BODY, bonnet_type: INSIDE SCREW, thread_class: 2B THIRD END, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: GASKET SEAL(BOSS) SECOND END, style_designator: CROSS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-264-8581, 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
B5255
NSN: 4820-00-264-8581
FSC: 4820 — Valves, Nonpowered
CAGE: 56920 — ROYAL TECHNOLOGY CORPORATION DBA ROYAL TECHNOLOGY CORPORTATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 BODY
bonnet_typeINSIDE SCREW
thread_class2B THIRD END
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleGASKET SEAL(BOSS) SECOND END
style_designatorCROSS
thread_directionRIGHT-HAND THIRD END
flow_control_deviceSTEM
nominal_thread_size0.250 INCHES FIRST END IN
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
thread_series_designatorUNF SECOND END
NSN4820-00-264-8581
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B5255 · 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: STEM
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) FIRST END
•
CONNECTION TYPE: THREADED INTERNAL BOSS THIRD END
•
STYLE DESIGNATOR: CROSS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESTEM
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) FIRST END
CONNECTION STYLEGASKET SEAL(BOSS) SECOND END
CONNECTION STYLEGASKET SEAL(BOSS) THIRD END
CONNECTION TYPETHREADED INTERNAL BOSS THIRD END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORCROSS
BONNET TYPEINSIDE SCREW
THREAD DIRECTIONRIGHT-HAND SECOND END
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 B5255?
B5255 is a VALVE,CROSS.
What is the NSN for B5255?
B5255 is cataloged in the U.S. Government catalog under NSN 4820-00-264-8581. This indicates validated use in U.S. government and defense supply chains.
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