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PartsTable / COMPONENT / 178496
178496 ✓ 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, hole_diameter: 0.211 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN, major_thickness: 0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, minor_thickness: 0.010 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, outside_diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, style_designator: BEVEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-026-8583, 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
178496
NSN: 5310-00-026-8583
FSC: 5310
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
hole_diameter0.211 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
major_thickness0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
minor_thickness0.010 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
outside_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
style_designatorBEVEL
material_document_and_classificationQQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-026-8583
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 178496 · 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
•
MAJOR THICKNESS: 0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
STYLE DESIGNATOR: BEVEL
•
MINOR THICKNESS: 0.010 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 0.211 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
MAJOR THICKNESS0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 2024 OVERALL
STYLE DESIGNATORBEVEL
MINOR THICKNESS0.010 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.211 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
22454-2Interchangeable
interchangeable cross-reference
interchangeable
217511Interchangeable
interchangeable cross-reference
interchangeable
24443-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 178496?
178496 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 178496?
There are 3 known substitutes for 178496: 22454-2, 217511, 24443-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 178496?
178496 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-026-8583. 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.
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Last verified: July 2026