PartsTable
Technical Data Sheet
Download PDF

60-642 PIECE 495 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

60-642 PIECE 495: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, thickness: 0.094 INCHES NOMINAL IN, hole_diameter: 0.391 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES ALL SURFACES, overall_diameter: 0.594 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-234-0380, 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
60-642 PIECE 495
NSN: 5310-01-234-0380
FSC: 5310 — Nuts and Washers
CAGE: 27235 — HARDIE-TYNES CO., INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
thickness0.094 INCHES NOMINAL IN
hole_diameter0.391 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES ALL SURFACES
overall_diameter0.594 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-234-0380
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 60-642 PIECE 495 · 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
•
SURFACE FINISH: 63.0 MICROINCHES ALL SURFACES
•
OVERALL DIAMETER: 0.594 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1020 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.391 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
OVERALL DIAMETER0.594 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1020 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.391 INCHES NOMINAL IN
THICKNESS0.094 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
642-495Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 60-642 PIECE 495?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 60-642 PIECE 495?
60-642 PIECE 495 is a WASHER,FLAT.
What parts can replace 60-642 PIECE 495?
There is 1 known substitute for 60-642 PIECE 495: 642-495. Substitute compatibility should be verified for your specific system.
What is the NSN for 60-642 PIECE 495?
60-642 PIECE 495 is cataloged in the U.S. Government catalog under NSN 5310-01-234-0380. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 60-642 PIECE 495

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.