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PartsTable / COMPONENT / WA1030
WA1030 ✓ 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 OVERALL, thickness: 0.065 INCHES NOMINAL IN, hole_diameter: 0.469 INCHES NOMINAL IN, overall_diameter: 0.922 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 5310-00-010-3342, 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
WA1030
NSN: 5310-00-010-3342
FSC: 5310
CAGE: 73830 — GERSTENLAGER CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.065 INCHES NOMINAL IN
hole_diameter0.469 INCHES NOMINAL IN
overall_diameter0.922 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-633,COMP FS1010-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-010-3342
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: WA1030 · 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 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,COMP FS1010-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL DIAMETER: 0.922 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.065 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,COMP FS1010-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.922 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.065 INCHES NOMINAL IN
HOLE DIAMETER0.469 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
2719-9Interchangeable
interchangeable cross-reference
interchangeable
0R304Interchangeable
interchangeable cross-reference
interchangeable
1166Interchangeable
interchangeable cross-reference
interchangeable
SC403Interchangeable
interchangeable cross-reference
interchangeable
8120768Interchangeable
interchangeable cross-reference
interchangeable
WA37Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WA1030?
WA1030 is a WASHER,FLAT.
What parts can replace WA1030?
There are 21 known substitutes for WA1030: 2719-9, 0R304, 1166 and 18 more. Substitute compatibility should be verified for your specific system.
Is WA1030 still available?
WA1030 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026