PartsTable
Technical Data Sheet
6478N ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The CELL,OPTICAL ELEMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include material: COPPER ALLOY STEM, bonnet_type: INSIDE SCREW, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, style_designator: ANGLE, features_provided: BONNET PACKING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-277-1715, 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
6478N
NSN: 4820-00-277-1715
FSC: 4820
CAGE: 28193 — HENRY TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY STEM
bonnet_typeINSIDE SCREW
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
style_designatorANGLE
features_providedBONNET PACKING
operating_pressure450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
bonnet_attachment_methodBOLTED
media_for_which_designedREFRIGERANT 22 SECOND RESPONSE
NSN4820-00-277-1715
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 6478N · 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
VALVE OPERATION METHOD: MANUAL
MATERIAL: COPPER ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,ALLOY 37 FED SPEC SINGLE MATERIAL RESPONSE BODY
STYLE DESIGNATOR: ANGLE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.125 INCHES ALL ENDS IN
OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NONDEFINITIVE SPEC/STD DATA: III TYPE AND 1 CLASS
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODMANUAL
MATERIALCOPPER ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,ALLOY 37 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 377 BODY
STYLE DESIGNATORANGLE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.125 INCHES ALL ENDS IN
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NONDEFINITIVE SPEC/STD DATAIII TYPE AND 1 CLASS
BONNET ATTACHMENT METHODINTEGRAL
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
6478Interchangeable
interchangeable cross-reference
interchangeable
3B90068-105Interchangeable
interchangeable cross-reference
interchangeable
093690Interchangeable
interchangeable cross-reference
interchangeable
93690Interchangeable
interchangeable cross-reference
interchangeable
7351330Interchangeable
interchangeable cross-reference
interchangeable
L6B1547-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6478N?
6478N is a CELL,OPTICAL ELEMENT.
What parts can replace 6478N?
There are 25 known substitutes for 6478N: 6478, 3B90068-105, 093690 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6478N?
6478N is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-277-1715. This indicates validated use in U.S. government and defense supply chains.
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