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J3221 ✓ 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 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 3.500 INCHES NOMINAL IN, style_designator: DOUBLE HEAD, surface_treatment: CHROMIUM OVERALL, large_end_head_angle: 15.0 DEGREES NOMINAL, small_end_head_angle: 60.0 DEGREES NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-399-9895, 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
J3221
NSN: 5120-01-399-9895
FSC: 5120
CAGE: 1CV05 — THE STANLEY WORKS DBA STANLEY PROTO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length3.500 INCHES NOMINAL IN
style_designatorDOUBLE HEAD
surface_treatmentCHROMIUM OVERALL
large_end_head_angle15.0 DEGREES NOMINAL
small_end_head_angle60.0 DEGREES NOMINAL
wrenching_surface_size0.312 INCHES NOMINAL SECOND END IN
wrenching_surface_shapeOVAL SINGLE END INTERNAL
NSN5120-01-399-9895
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WRENCH,OPEN END TITLE COMPONENT PN J3221 MFR WRENCH,OPEN END
KEY FEATURES
•
STYLE DESIGNATOR: DOUBLE HEAD
•
WRENCHING SURFACE SHAPE: OVAL SINGLE END INTERNAL
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
LARGE END HEAD ANGLE: 15.0 DEGREES NOMINAL
•
WRENCHING SURFACE SIZE: 0.312 INCHES NOMINAL SECOND END IN
•
SMALL END HEAD ANGLE: 60.0 DEGREES NOMINAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORDOUBLE HEAD
WRENCHING SURFACE SHAPEOVAL SINGLE END INTERNAL
SURFACE TREATMENTCHROMIUM OVERALL
LARGE END HEAD ANGLE15.0 DEGREES NOMINAL
WRENCHING SURFACE SIZE0.312 INCHES NOMINAL SECOND END IN
SMALL END HEAD ANGLE60.0 DEGREES NOMINAL
MATERIALSTEEL OVERALL
WRENCHING SURFACE SIZE0.281 INCHES NOMINAL FIRST END IN
OVERALL LENGTH3.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3221Interchangeable
interchangeable cross-reference
interchangeable
187L100Interchangeable
interchangeable cross-reference
interchangeable
221KInterchangeable
interchangeable cross-reference
interchangeable
6221JInterchangeable
interchangeable cross-reference
interchangeable
6221Interchangeable
interchangeable cross-reference
interchangeable
BC22J9-0SPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J3221?
J3221 is a WRENCH,OPEN END.
What parts can replace J3221?
There are 17 known substitutes for J3221: 3221, 187L100, 221K and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J3221?
J3221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-399-9895. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026