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PartsTable / COMPONENT / RAR2766
RAR2766 ✓ 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 PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: CHAMFERED, pin_overall_length: 0.426 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN, pin_overall_diameter: 0.0615 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN, first_end_taper_angle: 45.0 DEGREES NOMINAL, first_end_taper_length: 0.016 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-248-2409, 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
RAR2766
NSN: 5315-00-248-2409
FSC: 5315
CAGE: F3015 — NAVAL GROUP SITE DE LORIENT (FRA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleCHAMFERED
pin_overall_length0.426 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
pin_overall_diameter0.0615 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.016 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-248-2409
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RAR2766 · 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
•
PIN OVERALL DIAMETER: 0.0615 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
MATERIAL: STEEL OVERALL
•
FIRST END TAPER LENGTH: 0.016 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN OVERALL LENGTH: 0.426 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL DIAMETER0.0615 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
MATERIALSTEEL OVERALL
FIRST END TAPER LENGTH0.016 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN OVERALL LENGTH0.426 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
10436Interchangeable
interchangeable cross-reference
interchangeable
417132Interchangeable
interchangeable cross-reference
interchangeable
91-1280Interchangeable
interchangeable cross-reference
interchangeable
184641Interchangeable
interchangeable cross-reference
interchangeable
8561-516/37013-18Interchangeable
interchangeable cross-reference
interchangeable
5190015Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RAR2766?
RAR2766 is a PIN,STRAIGHT,HEADLESS.
What parts can replace RAR2766?
There are 6 known substitutes for RAR2766: 10436, 417132, 91-1280 and 3 more. Substitute compatibility should be verified for your specific system.
Is RAR2766 still available?
RAR2766 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