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LD153-0015-0007 — WASHER,FINISHING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LD153-0015-0007: WASHER,FINISHING.

The WASHER,FINISHING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052 OVERALL, recess_angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM, hole_diameter: 0.163 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN, recess_diameter: 0.251 INCHES NOMINAL IN, outside_diameter: 0.505 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN, style_designator: FINISHING. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-086-4927, 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
LD153-0015-0007
NSN: 5310-01-086-4927
FSC: 5310 — Nuts and Washers
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052 OVERALL
recess_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
hole_diameter0.163 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
recess_diameter0.251 INCHES NOMINAL IN
outside_diameter0.505 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN
style_designatorFINISHING
surface_treatmentANODIZE OR CHROMATE OVERALL
material_thickness0.008 INCHES NOMINAL IN
specification/standard_data43999-LD153-0015 MANUFACTURERS STANDARD
material_document_and_classificationQQ-A-250/8 TEMPER O FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
NSN5310-01-086-4927
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LD153-0015-0007 · 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-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: FINISHING
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8 TEMPER O FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.505 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.008 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 43999-LD153-0015 MANUFACTURERS STANDARD
•
RECESS DIAMETER: 0.251 INCHES NOMINAL IN
•
COLOR: ORANGE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
STYLE DESIGNATORFINISHING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 TEMPER O FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.505 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN
MATERIAL THICKNESS0.008 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA43999-LD153-0015 MANUFACTURERS STANDARD
RECESS DIAMETER0.251 INCHES NOMINAL IN
COLORORANGE OVERALL
SURFACE TREATMENTANODIZE OR CHROMATE OVERALL
MATERIALALUMINUM ALLOY 5052 OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LD153-0015-0007?
LD153-0015-0007 is a WASHER,FINISHING.
What is the NSN for LD153-0015-0007?
LD153-0015-0007 is cataloged in the U.S. Government catalog under NSN 5310-01-086-4927. 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.