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NAS1149D0616H — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NAS1149D0616H: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, thickness: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN, hole_diameter: 0.390 INCHES NOMINAL IN, overall_diameter: 0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-184-8979, 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
NAS1149D0616H
NSN: 5310-00-184-8979
FSC: 5310 — Nuts and Washers
CAGE: A0126 — LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE (ITA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
thickness0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
hole_diameter0.390 INCHES NOMINAL IN
overall_diameter0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-A-250/5 T3,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-184-8979
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS1149D0616H · 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: 0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5 T3,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.390 INCHES NOMINAL IN
•
THICKNESS: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 T3,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALALUMINUM ALLOY 2024 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.390 INCHES NOMINAL IN
THICKNESS0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 4
NAS70AL390-625Reference document
Same NSN cross-reference
Reference document — Secondary reference
5310PL0715381Reference document
Same NSN cross-reference
Reference document — Informative reference only
AN960D616LSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
G169-616TReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS1149D0616H?
NAS1149D0616H is a WASHER,FLAT.
What parts can replace NAS1149D0616H?
There are 4 known substitutes for NAS1149D0616H: NAS70AL390-625, 5310PL0715381, AN960D616L and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1149D0616H?
NAS1149D0616H is cataloged in the U.S. Government catalog under NSN 5310-00-184-8979. 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.