PartsTable
Technical Data Sheet
PartsTable / COMPONENT / LE153-0002-0003
LE153-0002-0003 ✓ 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,CONCAVE is a the manufacturer industrial component. Key specifications include radius: 0.218 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN, material: STEEL OVERALL, recess_depth: 0.041 INCHES NOMINAL IN, hole_diameter: 0.253 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN, outside_diameter: 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN, style_designator: CONCAVE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-646-0103, 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
LE153-0002-0003
NSN: 5310-01-646-0103
FSC: 5310
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
radius0.218 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN
materialSTEEL OVERALL
recess_depth0.041 INCHES NOMINAL IN
hole_diameter0.253 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
outside_diameter0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
style_designatorCONCAVE
material_thickness0.062 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
end_item_identificationB1-BACFT
material_document_and_classificationAMS6358 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-646-0103
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LE153-0002-0003 · 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
•
HOLE DIAMETER: 0.253 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
•
RADIUS: 0.218 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.062 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.041 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.253 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONB1-BACFT
RADIUS0.218 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN
MATERIAL THICKNESS0.062 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
RECESS DEPTH0.041 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6358 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
94880Interchangeable
interchangeable cross-reference
interchangeable
CV74Interchangeable
interchangeable cross-reference
interchangeable
93418Interchangeable
interchangeable cross-reference
interchangeable
94720Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy LE153-0002-0003?
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 LE153-0002-0003?
LE153-0002-0003 is a WASHER,CONCAVE.
What parts can replace LE153-0002-0003?
There are 4 known substitutes for LE153-0002-0003: 94880, CV74, 93418 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LE153-0002-0003?
LE153-0002-0003 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-646-0103. This indicates validated use in U.S. government and defense supply chains.
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 — LE153-0002-0003

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