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395387A1 ✓ 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 color: BLACK OVERALL, material: PLASTIC NYLON OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.250 INCHES NOMINAL IN, overall_diameter: 0.880 INCHES NOMINAL 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 5310-01-550-1770, 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
395387A1
NSN: 5310-01-550-1770
FSC: 5310
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialPLASTIC NYLON OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.250 INCHES NOMINAL IN
overall_diameter0.880 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification2420-01-532-3399; TRACTOR, WHEELED, INDUSTRIAL
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyWASHER-NYLON
NSN5310-01-550-1770
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 395387A1 · 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
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
COLOR: BLACK OVERALL
•
MATERIAL: PLASTIC NYLON OVERALL
•
OVERALL DIAMETER: 0.880 INCHES NOMINAL IN
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.250 INCHES NOMINAL IN
COLORBLACK OVERALL
MATERIALPLASTIC NYLON OVERALL
OVERALL DIAMETER0.880 INCHES NOMINAL IN
END ITEM IDENTIFICATION2420-01-532-3399; TRACTOR, WHEELED, INDUSTRIAL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER-NYLON
THICKNESS0.062 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
E1202089Interchangeable
interchangeable cross-reference
interchangeable
N304-7-B17Interchangeable
interchangeable cross-reference
interchangeable
42301-17Interchangeable
interchangeable cross-reference
interchangeable
ASTM-D5118Interchangeable
interchangeable cross-reference
interchangeable
PPP-B-636Interchangeable
interchangeable cross-reference
interchangeable
ASTM-D1974Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 395387A1?
395387A1 is a WASHER,FLAT.
What parts can replace 395387A1?
There are 7 known substitutes for 395387A1: E1202089, N304-7-B17, 42301-17 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 395387A1?
395387A1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-550-1770. 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