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34807S8 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.375 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-264-1984, 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
34807S8
NSN: 5310-00-264-1984
FSC: 5310
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
hole_diameter0.375 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
NSN5310-00-264-1984
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 34807S8 · 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: STEEL OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL THICKNESS: 0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.675 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OR TIN OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL THICKNESS0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
HOLE DIAMETER0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.675 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OR TIN OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
28-048Interchangeable
interchangeable cross-reference
interchangeable
8176256Interchangeable
interchangeable cross-reference
interchangeable
1448Interchangeable
interchangeable cross-reference
interchangeable
C12678Interchangeable
interchangeable cross-reference
interchangeable
110S 3/4Interchangeable
interchangeable cross-reference
interchangeable
2412 3/4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 34807S8?
34807S8 is a WASHER,LOCK.
What parts can replace 34807S8?
There are 12 known substitutes for 34807S8: 28-048, 8176256, 1448 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 34807S8?
34807S8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-264-1984. 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