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Technical Data Sheet
PartsTable / COMPONENT / RXS18B
RXS18B ✓ 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 WRENCH,OPEN END BOX is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 5.750 INCHES MINIMUM IN, style_designator: STRAIGHT JAW, surface_treatment: CHROMIUM OVERALL, wrenching_surface_size: 0.562 INCHES NOMINAL BOTH ENDS IN, wrenching_surface_shape: HEXAGON FIRST END INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-428-8384, 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
RXS18B
NSN: 5120-01-428-8384
FSC: 5120
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length5.750 INCHES MINIMUM IN
style_designatorSTRAIGHT JAW
surface_treatmentCHROMIUM OVERALL
wrenching_surface_size0.562 INCHES NOMINAL BOTH ENDS IN
wrenching_surface_shapeHEXAGON FIRST END INTERNAL
nondefinitive_spec/std_data2 TYPE
specification/standard_data05047-ASME B107.100 CAT 40 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5120-01-428-8384
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WRENCH,OPEN END BOX TITLE COMPONENT PN RXS18B MFR WRENCH,OPEN END BOX
KEY FEATURES
•
WRENCHING SURFACE SIZE: 0.562 INCHES NOMINAL BOTH ENDS IN
•
WRENCHING SURFACE SHAPE: 6 POINT SECOND END INTERNAL
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE
•
SPECIFICATION/STANDARD DATA: 05047-ASME B107.100 CAT 40 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SURFACE TREATMENT: CHROMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH5.750 INCHES MINIMUM IN
WRENCHING SURFACE SIZE0.562 INCHES NOMINAL BOTH ENDS IN
WRENCHING SURFACE SHAPE6 POINT SECOND END INTERNAL
MATERIALSTEEL OVERALL
WRENCHING SURFACE SHAPEHEXAGON FIRST END INTERNAL
NONDEFINITIVE SPEC/STD DATA2 TYPE
SPECIFICATION/STANDARD DATA05047-ASME B107.100 CAT 40 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTCHROMIUM OVERALL
STYLE DESIGNATORSTRAIGHT JAW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
J3752Interchangeable
interchangeable cross-reference
interchangeable
B107.40Interchangeable
interchangeable cross-reference
interchangeable
B107.100Interchangeable
interchangeable cross-reference
interchangeable
RXS12Interchangeable
interchangeable cross-reference
interchangeable
RXS12BInterchangeable
interchangeable cross-reference
interchangeable
B107.40 TY2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RXS18B?
RXS18B is a WRENCH,OPEN END BOX.
What parts can replace RXS18B?
There are 10 known substitutes for RXS18B: J3752, B107.40, B107.100 and 7 more. Substitute compatibility should be verified for your specific system.
Is RXS18B still available?
RXS18B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026