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5610-64-31 — Technical Data Sheet

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— · 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: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN, overall_diameter: 0.490 INCHES MINIMUM AND 0.510 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 under NSN 5310-00-419-3158, 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
5610-64-31
NSN: 5310-00-419-3158
FSC: 5310
CAGE: 86928 — SEASTROM MANUFACTURING CO INC (USA)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
overall_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-419-3158
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5610-64-31 · 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: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
•
OVERALL DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
OVERALL DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
3002InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7472368-114InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ITCO 919InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
199861InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9364100294InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
905 BULK PKGInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5610-64-31?
5610-64-31 is a WASHER,FLAT.
What parts can replace 5610-64-31?
There are 8 known substitutes for 5610-64-31: 3002, 7472368-114, ITCO 919 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5610-64-31?
5610-64-31 is cataloged in the Federal Logistics Information System under NSN 5310-00-419-3158. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026