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2W1R64-46-32 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2W1R64-46-32: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 1.000 INCHES NOMINAL IN, hardness_rating: 25.0 DUROMETER MINIMUM AND 35.0 DUROMETER MAXIMUM, overall_diameter: 1.438 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-579-8232, 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
2W1R64-46-32
NSN: 5310-00-579-8232
FSC: 5310 — Nuts and Washers
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
thickness0.032 INCHES NOMINAL IN
hole_diameter1.000 INCHES NOMINAL IN
hardness_rating25.0 DUROMETER MINIMUM AND 35.0 DUROMETER MAXIMUM
overall_diameter1.438 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
specification/standard_data43999-2W1 MANUFACTURERS STANDARD
material_document_and_classificationAMS 3207 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-579-8232
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2W1R64-46-32 · 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
•
OVERALL DIAMETER: 1.438 INCHES NOMINAL IN
•
HARDNESS RATING: 25.0 DUROMETER MINIMUM AND 35.0 DUROMETER MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3207 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SPECIFICATION/STANDARD DATA: 43999-2W1 MANUFACTURERS STANDARD
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.438 INCHES NOMINAL IN
HARDNESS RATING25.0 DUROMETER MINIMUM AND 35.0 DUROMETER MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3207 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIFICATION/STANDARD DATA43999-2W1 MANUFACTURERS STANDARD
PERIPHERAL SHAPE STYLEROUND
MATERIALRUBBER SYNTHETIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.000 INCHES NOMINAL IN
THICKNESS0.032 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
5165221Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2W1R64-46-32?
2W1R64-46-32 is a WASHER,FLAT.
What parts can replace 2W1R64-46-32?
There is 1 known substitute for 2W1R64-46-32: 5165221. Substitute compatibility should be verified for your specific system.
What is the NSN for 2W1R64-46-32?
2W1R64-46-32 is cataloged in the U.S. Government catalog under NSN 5310-00-579-8232. 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.