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NAS1149B563H — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NAS1149B563H: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL, thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, hole_diameter: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, overall_diameter: 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-167-0703, 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
NAS1149B563H
NSN: 5310-00-167-0703
FSC: 5310 — Nuts and Washers
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL
thickness0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
hole_diameter0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
overall_diameter0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-167-0703
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS1149B563H · 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
•
OVERALL DIAMETER: 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
•
THICKNESS: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY 268 OR COPPER ALLOY 11 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
THICKNESS0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
526-0065Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AN960B516Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS1149B563H?
NAS1149B563H is a WASHER,FLAT.
What parts can replace NAS1149B563H?
There are 2 known substitutes for NAS1149B563H: 526-0065, AN960B516. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1149B563H?
NAS1149B563H is cataloged in the U.S. Government catalog under NSN 5310-00-167-0703. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.