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LE153-0001-0007 — WASHER,CONVEX

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LE153-0001-0007: WASHER,CONVEX.

The WASHER,CONVEX is a the manufacturer industrial component. Key specifications include radius: 0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN, material: STEEL OVERALL, recess_angle: 88.000 DEGREES MINIMUM AND 92.000 DEGREES MAXIMUM, hole_diameter: 0.448 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN, recess_diameter: 0.845 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN, outside_diameter: 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-659-0049, 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
LE153-0001-0007
NSN: 5310-01-659-0049
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
radius0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN
materialSTEEL OVERALL
recess_angle88.000 DEGREES MINIMUM AND 92.000 DEGREES MAXIMUM
hole_diameter0.448 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN
recess_diameter0.845 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN
outside_diameter0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
special_featuresPER ENGINEERING NOTES, MAX TEMP USEAGE 450 DEGREES
style_designatorRECESSED
surface_treatmentCADMIUM OVERALL
material_thickness0.160 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
surface_treatment_document_and_classificationMIL-STD-1500 MIL STD SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-659-0049
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LE153-0001-0007 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-STD-1500 MIL STD SINGLE TREATMENT RESPONSE OVERALL
•
RADIUS: 0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: RECESSED
•
OUTSIDE DIAMETER: 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.160 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.845 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-1500 MIL STD SINGLE TREATMENT RESPONSE OVERALL
RADIUS0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM IN
STYLE DESIGNATORRECESSED
OUTSIDE DIAMETER0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
MATERIAL THICKNESS0.160 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
RECESS DIAMETER0.845 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN
SPECIAL FEATURESPER ENGINEERING NOTES, MAX TEMP USEAGE 450 DEGREES
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.448 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
K39781-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
9487-07Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LE153-0001Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LE153-0001-0007?
LE153-0001-0007 is a WASHER,CONVEX.
What parts can replace LE153-0001-0007?
There are 3 known substitutes for LE153-0001-0007: K39781-7, 9487-07, LE153-0001. Substitute compatibility should be verified for your specific system.
What is the NSN for LE153-0001-0007?
LE153-0001-0007 is cataloged in the U.S. Government catalog under NSN 5310-01-659-0049. This indicates validated use in U.S. government and defense supply chains.
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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.