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PartsTable / COMPONENT / S12-10-1015
S12-10-1015 ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, heat_treatment: ANNEALED, outside_diameter: 1.312 INCHES NOMINAL IN, material_thickness: 0.035 INCHES NOMINAL IN, material_document_and_classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-521-3772, 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
S12-10-1015
NSN: 5310-00-521-3772
FSC: 5310
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
heat_treatmentANNEALED
outside_diameter1.312 INCHES NOMINAL IN
material_thickness0.035 INCHES NOMINAL IN
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-521-3772
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S12-10-1015 · 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
•
MATERIAL: NICKEL ALLOY OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HEAT TREATMENT: ANNEALED
•
OUTSIDE DIAMETER: 1.312 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.035 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAT TREATMENTANNEALED
OUTSIDE DIAMETER1.312 INCHES NOMINAL IN
MATERIAL THICKNESS0.035 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
6169Interchangeable
interchangeable cross-reference
interchangeable
11120M1Interchangeable
interchangeable cross-reference
interchangeable
1770-154Interchangeable
interchangeable cross-reference
interchangeable
450009Interchangeable
interchangeable cross-reference
interchangeable
1212CInterchangeable
interchangeable cross-reference
interchangeable
4022699-0701Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S12-10-1015?
S12-10-1015 is a WASHER,LOCK.
What parts can replace S12-10-1015?
There are 6 known substitutes for S12-10-1015: 6169, 11120M1, 1770-154 and 3 more. Substitute compatibility should be verified for your specific system.
Is S12-10-1015 still available?
S12-10-1015 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