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5013515 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The DISK SUBASSEMBLY,RO is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: PIN, SHOULDER, HEADLESS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-299-1191, 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
5013515
NSN: 5315-00-299-1191
FSC: 5315
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyPIN, SHOULDER, HEADLESS
NSN5315-00-299-1191
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5013515 · 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
•
SHOULDER DIAMETER: 0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
•
SECOND END STYLE: SQUARE
•
SHANK DIAMETER: 0.085 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
•
FIRST END OUTER RADIUS: 0.077 INCHES NOMINAL IN
•
FIRST END LOCATION: SHOULDER END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END STYLE: ROUND
•
SURFACE FINISH: 125.000 MICROINCHES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER DIAMETER0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
SECOND END STYLESQUARE
SHANK DIAMETER0.085 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
FIRST END OUTER RADIUS0.077 INCHES NOMINAL IN
FIRST END LOCATIONSHOULDER END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END STYLEROUND
SURFACE FINISH125.000 MICROINCHES OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
8247-28-8Interchangeable
interchangeable cross-reference
interchangeable
CSA20042Interchangeable
interchangeable cross-reference
interchangeable
AA55609-40Interchangeable
interchangeable cross-reference
interchangeable
A10317Interchangeable
interchangeable cross-reference
interchangeable
C5078232-1Interchangeable
interchangeable cross-reference
interchangeable
5013515Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5013515?
5013515 is a DISK SUBASSEMBLY,RO.
What parts can replace 5013515?
There are 12 known substitutes for 5013515: 8247-28-8, CSA20042, AA55609-40 and 9 more. Substitute compatibility should be verified for your specific system.
Is 5013515 still available?
5013515 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026