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PartsTable / COMPONENT / 8108418
8108418 ✓ 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: CELLULOSE OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.140 INCHES NOMINAL IN, hardness_rating: 50.0 SHORE DUROMETER A NOMINAL, overall_diameter: 0.230 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN, peripheral_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 5310-00-599-1239, 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
8108418
NSN: 5310-00-599-1239
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.140 INCHES NOMINAL IN
hardness_rating50.0 SHORE DUROMETER A NOMINAL
overall_diameter0.230 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength8000 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-F-1148,GR CH,FORM S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-00-599-1239
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8108418 · 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
•
MATERIAL: CELLULOSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-F-1148,GR CH,FORM S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 0.140 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
MINIMUM TENSILE STRENGTH: 8000 POUNDS PER SQUARE INCH LBS
•
THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCELLULOSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-F-1148,GR CH,FORM S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.140 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
CENTER HOLE SHAPE STYLEROUND
MINIMUM TENSILE STRENGTH8000 POUNDS PER SQUARE INCH LBS
THICKNESS0.031 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HARDNESS RATING50.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
29110Interchangeable
interchangeable cross-reference
interchangeable
NBP0099Interchangeable
interchangeable cross-reference
interchangeable
GWA 29110Interchangeable
interchangeable cross-reference
interchangeable
525K954Interchangeable
interchangeable cross-reference
interchangeable
13727DInterchangeable
interchangeable cross-reference
interchangeable
892-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8108418?
8108418 is a WASHER,FLAT.
What parts can replace 8108418?
There are 12 known substitutes for 8108418: 29110, NBP0099, GWA 29110 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8108418?
8108418 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-599-1239. 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