PartsTable
Technical Data Sheet
2003528 ✓ 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 material: STEEL CORROSION RESISTING OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.219 INCHES NOMINAL IN, overall_diameter: 0.437 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-578-0989, 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
2003528
NSN: 5310-01-578-0989
FSC: 5310
CAGE: 1EFH8 — GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. DBA GDLS DIV GDLS-FP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.219 INCHES NOMINAL IN
overall_diameter0.437 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification2355-01-552-5199 MINE RESISTANT VEHICLE,CATEGORY II MRAP,COUGAR,6X6,JOINT ENGINEER RAPID RESPONSE VEHICLE (JERRV)
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyNUMBER 10 .218X.437 INCH 18-8 STAINLESS STEEL FLAT WASHER IN
NSN5310-01-578-0989
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2003528 · 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
MATERIAL: STEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLE: ROUND
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
THICKNESS: 0.031 INCHES NOMINAL IN
OVERALL DIAMETER: 0.437 INCHES NOMINAL IN
HOLE DIAMETER: 0.219 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
END ITEM IDENTIFICATION2355-01-552-5199 MINE RESISTANT VEHICLE,CATEGORY II MRAP,COUGAR,6X6,JOINT ENGINEER RAPID RESPONSE VEHICLE (JERRV)
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.031 INCHES NOMINAL IN
OVERALL DIAMETER0.437 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNUMBER 10 .218X.437 INCH 18-8 STAINLESS STEEL FLAT WASHER IN
HOLE DIAMETER0.219 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
117100-9Interchangeable
interchangeable cross-reference
interchangeable
71009Interchangeable
interchangeable cross-reference
interchangeable
ED00771A0090-SInterchangeable
interchangeable cross-reference
interchangeable
771009Interchangeable
interchangeable cross-reference
interchangeable
235091Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2003528?
2003528 is a WASHER,FLAT.
What parts can replace 2003528?
There are 5 known substitutes for 2003528: 117100-9, 71009, ED00771A0090-S and 2 more. Substitute compatibility should be verified for your specific system.
Is 2003528 still available?
2003528 is currently cancelled.
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