PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 10-2543-1-3A
10-2543-1-3A ✓ 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: ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5052 OVERALL, thickness: 0.050 INCHES NOMINAL IN, hole_diameter: 0.391 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN, overall_diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-489-8808, 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
10-2543-1-3A
NSN: 5310-00-489-8808
FSC: 5310
CAGE: 45681 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5052 OVERALL
thickness0.050 INCHES NOMINAL IN
hole_diameter0.391 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN
overall_diameter0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-A-250/6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/8,H34 FED SPEC 2ND MATERIAL RESPONSE OVERALL
NSN5310-00-489-8808
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10-2543-1-3A · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5052 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/8,H34 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
THICKNESS: 0.050 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.391 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5052 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/8,H34 FED SPEC 2ND MATERIAL RESPONSE OVERALL
THICKNESS0.050 INCHES NOMINAL IN
OVERALL DIAMETER0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.391 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
3110001556704Interchangeable
interchangeable cross-reference
interchangeable
208MFFInterchangeable
interchangeable cross-reference
interchangeable
40BL02JPPInterchangeable
interchangeable cross-reference
interchangeable
75472Interchangeable
interchangeable cross-reference
interchangeable
25667Interchangeable
interchangeable cross-reference
interchangeable
27788Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 10-2543-1-3A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 10-2543-1-3A?
10-2543-1-3A is a WASHER,FLAT.
What parts can replace 10-2543-1-3A?
There are 9 known substitutes for 10-2543-1-3A: 3110001556704, 208MFF, 40BL02JPP and 6 more. Substitute compatibility should be verified for your specific system.
Is 10-2543-1-3A still available?
10-2543-1-3A is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 10-2543-1-3A

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026