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Technical Data Sheet
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39660 — WASHER,FLAT

✓ Government record, cited
Clementoni · NUT WASHER
PRODUCT OVERVIEW

39660: WASHER,FLAT.

1000-piece jigsaw puzzle for adults Size of completed jigsaw puzzle: 98 x 33 cm The most appealing images, the greatest variety of sizes and signature Clementoni quality for a range that is a gold standard for jigsaw lovers everywhere. Acutely attuned to the importance of environmental awareness, Clementoni makes extensive use of recycled materials and avoids any components containing pollutants. Made in Italy.

Visit Clementoni's support section to benefit from the “lost pieces” service This part is cataloged in the U.S. Government catalog under NSN 5310-00-235-8642, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
39660
NSN: 5310-00-235-8642
FSC: 5310 — Nuts and Washers
CAGE: 44185 — TLD WOLLARD LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.081 INCHES NOMINAL IN
hole_diameter0.393 INCHES NOMINAL IN
overall_diameter0.818 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-235-8642
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 39660 · Clementoni ⚠ 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
•
OVERALL DIAMETER: 0.818 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.393 INCHES NOMINAL IN
•
THICKNESS: 0.081 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.818 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.393 INCHES NOMINAL IN
THICKNESS0.081 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
1PE122Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0921173Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
337873Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
35A2A219Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 39660?
39660 is a WASHER,FLAT manufactured by Clementoni.
What parts can replace 39660?
There are 4 known substitutes for 39660: 1PE122, 0921173, 337873 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 39660?
39660 is cataloged in the U.S. Government catalog under NSN 5310-00-235-8642. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.