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Technical Data Sheet
55B3 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 1.850 INCHES NOMINAL IN, thread_location: EXTERNAL AND INTERNAL, removable_piston: PROVIDED, special_features: FURNISHED W/THREE DIFFERENT-SIZED PISTONS, tube_connection_type: FLARELESS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-316-2601, 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
55B3
NSN: 6685-00-316-2601
FSC: 6685
CAGE: 76906 — OPERATING & MAINTENANCE SPECIALTIES INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length1.850 INCHES NOMINAL IN
thread_locationEXTERNAL AND INTERNAL
removable_pistonPROVIDED
special_featuresFURNISHED W/THREE DIFFERENT-SIZED PISTONS
connection_quantity2
tube_connection_typeFLARELESS
piston_size_designation3
operating_pressure_range+0.0 TO 15000.0 POUNDS PER SQUARE INCH LBS
nominal_pipe_size_designation0.250 INCHES IN
threaded_direct_pressure_connectionPROVIDED
NSN6685-00-316-2601
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN 55B3 MFR CONNECTOR,PLUG,ELECTRI
KEY FEATURES
TUBE CONNECTION TYPE: FLARELESS
REMOVABLE PISTON: PROVIDED
MATERIAL: COPPER ALLOY
THREADED DIRECT PRESSURE CONNECTION: PROVIDED
THREAD LOCATION: EXTERNAL AND INTERNAL
PISTON SIZE DESIGNATION: 3
TECHNICAL CHARACTERISTICS (FLIS)
TUBE CONNECTION TYPEFLARELESS
REMOVABLE PISTONPROVIDED
OVERALL LENGTH1.850 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
THREADED DIRECT PRESSURE CONNECTIONPROVIDED
THREAD LOCATIONEXTERNAL AND INTERNAL
PISTON SIZE DESIGNATION3
SPECIAL FEATURESFURNISHED W/THREE DIFFERENT-SIZED PISTONS
OPERATING PRESSURE RANGE+0.0 TO 15000.0 POUNDS PER SQUARE INCH LBS
NOMINAL PIPE SIZE DESIGNATION0.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
55B3Interchangeable
interchangeable cross-reference
interchangeable
629786-1Interchangeable
interchangeable cross-reference
interchangeable
1305-2Interchangeable
interchangeable cross-reference
interchangeable
AT5564Interchangeable
interchangeable cross-reference
interchangeable
AH188Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55B3?
55B3 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 55B3?
There are 5 known substitutes for 55B3: 55B3, 629786-1, 1305-2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55B3?
55B3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-316-2601. This indicates validated use in U.S. government and defense supply chains.
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