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Technical Data Sheet
PartsTable / COMPONENT / M34X
M34X ✓ 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: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, hole_diameter: 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN, overall_diameter: 0.245 INCHES MINIMUM AND 0.250 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 5310-00-202-4342, 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
M34X
NSN: 5310-00-202-4342
FSC: 5310
CAGE: 79575 — WICO-PRESTOLITE CO THE DIV OF ELTRA CORP (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
thickness0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
hole_diameter0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
overall_diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-202-4342
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M34X · 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
•
THICKNESS: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCELLULOSE OVERALL
THICKNESS0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
304Interchangeable
interchangeable cross-reference
interchangeable
45485Interchangeable
interchangeable cross-reference
interchangeable
KSC304Interchangeable
interchangeable cross-reference
interchangeable
16271Interchangeable
interchangeable cross-reference
interchangeable
32350Interchangeable
interchangeable cross-reference
interchangeable
92803Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M34X?
M34X is a WASHER,FLAT.
What parts can replace M34X?
There are 9 known substitutes for M34X: 304, 45485, KSC304 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M34X?
M34X is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-202-4342. 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