PartsTable
Technical Data Sheet
Download PDF

LE153-0001-0004 — WASHER,CONCAVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LE153-0001-0004: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include radius: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, material: STEEL COMP 8740 OVERALL, recess_depth: 0.025 INCHES NOMINAL IN, hole_diameter: 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, outside_diameter: 0.454 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN, style_designator: CONCAVE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-658-8336, 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
LE153-0001-0004
NSN: 5310-01-658-8336
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
radius0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
materialSTEEL COMP 8740 OVERALL
recess_depth0.025 INCHES NOMINAL IN
hole_diameter0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
outside_diameter0.454 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN
style_designatorCONCAVE
material_thickness0.075 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
end_item_identificationB1-BACFT
part_name_assigned_by_controlling_agencyWASHER, SELF-ALIGNING (CONVEX)
NSN5310-01-658-8336
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LE153-0001-0004 · 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
•
RADIUS: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 0.454 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.025 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.075 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 8740 OVERALL
TECHNICAL CHARACTERISTICS
RADIUS0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER0.454 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN
RECESS DEPTH0.025 INCHES NOMINAL IN
MATERIAL THICKNESS0.075 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, SELF-ALIGNING (CONVEX)
END ITEM IDENTIFICATIONB1-BACFT
MATERIALSTEEL COMP 8740 OVERALL
HOLE DIAMETER0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
LE153-0001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
K39781-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy LE153-0001-0004?
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 LE153-0001-0004?
LE153-0001-0004 is a WASHER,CONCAVE.
What parts can replace LE153-0001-0004?
There are 2 known substitutes for LE153-0001-0004: LE153-0001, K39781-4. Substitute compatibility should be verified for your specific system.
What is the NSN for LE153-0001-0004?
LE153-0001-0004 is cataloged in the U.S. Government catalog under NSN 5310-01-658-8336. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — LE153-0001-0004

✓ 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.