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02-15740 — WASHER,SHOULDERED AND RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

02-15740: WASHER,SHOULDERED AND RECESSED.

The WASHER,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, recess_angle: 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM, hole_diameter: 1.125 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN, shoulder_height: 0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN, outside_diameter: 1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN, special_features: 28 TO 32 DEGREE ANGLE ON OD. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-033-8158, 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
02-15740
NSN: 5310-01-033-8158
FSC: 5310 — Nuts and Washers
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
recess_angle43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
hole_diameter1.125 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
shoulder_height0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
outside_diameter1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN
special_features28 TO 32 DEGREE ANGLE ON OD
style_designatorSHOULDERED AND RECESSED
shoulder_diameter1.231 INCHES MINIMUM AND 1.241 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
material_thickness0.179 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-225/6 TEMPER T351 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625,TY1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-033-8158
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 02-15740 · 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,TY1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER HEIGHT: 0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6 TEMPER T351 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.179 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 1.231 INCHES MINIMUM AND 1.241 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER HEIGHT0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED AND RECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 TEMPER T351 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN
MATERIAL THICKNESS0.179 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
SHOULDER DIAMETER1.231 INCHES MINIMUM AND 1.241 INCHES MAXIMUM IN
SPECIAL FEATURES28 TO 32 DEGREE ANGLE ON OD
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 2024 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 02-15740?
02-15740 is a WASHER,SHOULDERED AND RECESSED.
What is the NSN for 02-15740?
02-15740 is cataloged in the U.S. Government catalog under NSN 5310-01-033-8158. 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.