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PartsTable / COMPONENT / 8607662
8607662 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, thickness: 0.028 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN, hole_diameter: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN, overall_diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-541-0088, 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
8607662
NSN: 5310-00-541-0088
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialCOPPER OVERALL
thickness0.028 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
hole_diameter0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
overall_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-541-0088
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8607662 · 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
•
THICKNESS: 0.028 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
•
MATERIAL: COPPER OVERALL
•
OVERALL DIAMETER: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.028 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
HOLE DIAMETER0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
MATERIALCOPPER OVERALL
OVERALL DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
54-10088Interchangeable
interchangeable cross-reference
interchangeable
7039760Interchangeable
interchangeable cross-reference
interchangeable
53556Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8607662?
8607662 is a WASHER,FLAT.
What parts can replace 8607662?
There are 3 known substitutes for 8607662: 54-10088, 7039760, 53556. Substitute compatibility should be verified for your specific system.
What is the NSN for 8607662?
8607662 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-541-0088. 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