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LD153-0028-0004 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LD153-0028-0004: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, recess_angle: 90.0 DEGREES NOMINAL, hole_diameter: 0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, recess_diameter: 0.282 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, outside_diameter: 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN, special_features: CHAMFER OUTSIDE LEFT EDGE 0.030 IN. MIN,0.070 IN.

MAX IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-165-2491, 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
LD153-0028-0004
NSN: 5310-01-165-2491
FSC: 5310 — Nuts and Washers
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
recess_angle90.0 DEGREES NOMINAL
hole_diameter0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
recess_diameter0.282 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
outside_diameter0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
special_featuresCHAMFER OUTSIDE LEFT EDGE 0.030 IN. MIN,0.070 IN. MAX IN
style_designatorRECESSED
surface_treatmentPASSIVATE OVERALL
material_thickness0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
minimum_tensile_strength140000 POUNDS PER SQUARE INCH LBS
material_document_and_classificationAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-165-2491
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LD153-0028-0004 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.282 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
MATERIAL THICKNESS0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
RECESS DIAMETER0.282 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
SPECIAL FEATURESCHAMFER OUTSIDE LEFT EDGE 0.030 IN. MIN,0.070 IN. MAX IN
SURFACE TREATMENTPASSIVATE OVERALL
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH LBS
MATERIALIRON ALLOY 660 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LD153-0028-0004?
LD153-0028-0004 is a WASHER,RECESSED.
What is the NSN for LD153-0028-0004?
LD153-0028-0004 is cataloged in the U.S. Government catalog under NSN 5310-01-165-2491. 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.