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Technical Data Sheet
PartsTable / COMPONENT / J108P50B
J108P50B ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PIN,TAPERED,PLAIN is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, surface_finish: 63.0 MICROINCHES OUTSIDE DIAMETER, first_end_style: SQUARE W/THRU HOLE, second_end_style: SQUARE W/THRU HOLE, surface_treatment: CHROMATE OVERALL, first_end_location: TAPERED END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-103-1894, 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
J108P50B
NSN: 5315-01-103-1894
FSC: 5315
CAGE: 92555 — THE LEE CO DBA THE LEE CO (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
surface_finish63.0 MICROINCHES OUTSIDE DIAMETER
first_end_styleSQUARE W/THRU HOLE
second_end_styleSQUARE W/THRU HOLE
surface_treatmentCHROMATE OVERALL
first_end_locationTAPERED END
large_end_diameter0.0953 INCHES MINIMUM AND 0.0961 INCHES MAXIMUM IN
pin_overall_length0.080 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endNOT IDENTICAL
surface_treatment_document_and_classificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-103-1894
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: J108P50B · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER
•
SURFACE TREATMENT: CHROMATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END STYLE: SQUARE W/THRU HOLE
•
FIRST END LOCATION: TAPERED END
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER
SURFACE TREATMENTCHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END STYLESQUARE W/THRU HOLE
FIRST END LOCATIONTAPERED END
SECOND END STYLESQUARE W/THRU HOLE
LARGE END DIAMETER0.0953 INCHES MINIMUM AND 0.0961 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
49329Interchangeable
interchangeable cross-reference
interchangeable
49025Interchangeable
interchangeable cross-reference
interchangeable
16137Interchangeable
interchangeable cross-reference
interchangeable
125401Interchangeable
interchangeable cross-reference
interchangeable
1211414-201Interchangeable
interchangeable cross-reference
interchangeable
FA60-1981Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J108P50B?
J108P50B is a PIN,TAPERED,PLAIN.
What parts can replace J108P50B?
There are 9 known substitutes for J108P50B: 49329, 49025, 16137 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J108P50B?
J108P50B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-103-1894. 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