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PartsTable / COMPONENT / R1306
R1306 ✓ 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,HEADED is a the manufacturer industrial component. Key specifications include height: 0.312 INCHES NOMINAL IN, diameter: 2.872 INCHES NOMINAL IN, head_style: FLAT, hardness_rating: 60.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM OVERALL, special_features: W/LUBRICATING HOLE IN END AND PARRALLEL TO BODY, style_designator: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-508-3399, 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
R1306
NSN: 5315-00-508-3399
FSC: 5315
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
height0.312 INCHES NOMINAL IN
diameter2.872 INCHES NOMINAL IN
head_styleFLAT
hardness_rating60.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM OVERALL
special_featuresW/LUBRICATING HOLE IN END AND PARRALLEL TO BODY
style_designatorSTRAIGHT
under_head_length5.938 INCHES NOMINAL IN
first_hole_diameter1.062 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
distance_from_centerline_of_hole_to_end_of_pin1.876 INCHES NOMINAL IN
NSN5315-00-508-3399
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R1306 · 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
•
STYLE DESIGNATOR: STRAIGHT
•
HARDNESS RATING: 60.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM OVERALL
•
HEIGHT: 0.312 INCHES NOMINAL IN
•
HEAD STYLE: FLAT
•
DIAMETER: 2.872 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 5.938 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 1.876 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM OVERALL
HEIGHT0.312 INCHES NOMINAL IN
SPECIAL FEATURESW/LUBRICATING HOLE IN END AND PARRALLEL TO BODY
HEAD STYLEFLAT
DIAMETER2.872 INCHES NOMINAL IN
UNDER HEAD LENGTH5.938 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN1.876 INCHES NOMINAL IN
FIRST HOLE DIAMETER1.062 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
V2329Interchangeable
interchangeable cross-reference
interchangeable
177M4Interchangeable
interchangeable cross-reference
interchangeable
8B2206Interchangeable
interchangeable cross-reference
interchangeable
MB252251E ITEM 7Interchangeable
interchangeable cross-reference
interchangeable
C531Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R1306?
R1306 is a PIN,STRAIGHT,HEADED.
What parts can replace R1306?
There are 5 known substitutes for R1306: V2329, 177M4, 8B2206 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R1306?
R1306 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-508-3399. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026