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LD153-0004-0002 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LD153-0004-0002: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, recess_angle: 90.0 DEGREES MINIMUM, recess_depth: 0.040 INCHES NOMINAL IN, hole_diameter: 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN, recess_diameter: 0.401 INCHES NOMINAL IN, outside_diameter: 0.593 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-099-8757, 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
LD153-0004-0002
NSN: 5310-00-099-8757
FSC: 5310 — Nuts and Washers
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
recess_angle90.0 DEGREES MINIMUM
recess_depth0.040 INCHES NOMINAL IN
hole_diameter0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
recess_diameter0.401 INCHES NOMINAL IN
outside_diameter0.593 INCHES NOMINAL IN
special_featuresDYE RED
style_designatorRECESSED
surface_treatmentANODIZE OR CHROMATE OVERALL
material_thickness0.067 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-200/11 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR -12-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
NSN5310-00-099-8757
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LD153-0004-0002 · 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 -12-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/11 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.593 INCHES NOMINAL IN
•
RECESS DEPTH: 0.040 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.067 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.401 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR -12-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/11 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.593 INCHES NOMINAL IN
RECESS DEPTH0.040 INCHES NOMINAL IN
MATERIAL THICKNESS0.067 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
RECESS DIAMETER0.401 INCHES NOMINAL IN
SPECIAL FEATURESDYE RED
SURFACE TREATMENTANODIZE OR CHROMATE OVERALL
MATERIALALUMINUM ALLOY 7075 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 1
153-0050-001REFReference document
Same NSN cross-reference
Reference document — Secondary reference
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 LD153-0004-0002?
LD153-0004-0002 is a WASHER,RECESSED.
What parts can replace LD153-0004-0002?
There is 1 known substitute for LD153-0004-0002: 153-0050-001REF. Substitute compatibility should be verified for your specific system.
What is the NSN for LD153-0004-0002?
LD153-0004-0002 is cataloged in the U.S. Government catalog under NSN 5310-00-099-8757. 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.