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Technical Data Sheet
PartsTable / COMPONENT / 3274295
3274295 ✓ 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 ALLOY OR COPPER ALLOY C OVERALL, thickness: 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, hole_diameter: 0.766 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN, surface_finish: 100.0 MICROINCHES ALL SURFACES, overall_diameter: 1.484 INCHES MINIMUM AND 1.516 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 5310-00-520-7950, 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
3274295
NSN: 5310-00-520-7950
FSC: 5310
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR COPPER ALLOY C OVERALL
thickness0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
hole_diameter0.766 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN
surface_finish100.0 MICROINCHES ALL SURFACES
overall_diameter1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-520-7950
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3274295 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: COPPER ALLOY OR COPPER ALLOY C OVERALL
•
SURFACE FINISH: 100.0 MICROINCHES ALL SURFACES
•
OVERALL DIAMETER: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.766 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALCOPPER ALLOY OR COPPER ALLOY C OVERALL
SURFACE FINISH100.0 MICROINCHES ALL SURFACES
OVERALL DIAMETER1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
HOLE DIAMETER0.766 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
23803Interchangeable
interchangeable cross-reference
interchangeable
23803AInterchangeable
interchangeable cross-reference
interchangeable
01T12376Interchangeable
interchangeable cross-reference
interchangeable
133-50-1Interchangeable
interchangeable cross-reference
interchangeable
ANT-4007Interchangeable
interchangeable cross-reference
interchangeable
3274295REVAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3274295?
3274295 is a WASHER,FLAT.
What parts can replace 3274295?
There are 7 known substitutes for 3274295: 23803, 23803A, 01T12376 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3274295?
3274295 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-520-7950. 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