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Technical Data Sheet
PartsTable / COMPONENT / BLS6R0.75NC1.25
BLS6R0.75NC1.25 ✓ 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 BLS6R0.75NC1.25 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-200-4326, 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
BLS6R0.75NC1.25
NSN: 5315-00-200-4326
FSC: 5315
CAGE: 84256 — AVIBANK MFG., INC. DBA AVIBANK MANUFACTURING INC (USA)
SPECIFICATIONS
Part NumberBLS6R0.75NC1.25
NSN5315-00-200-4326
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BLS6R0.75NC1.25 · 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
•
ACTUATION METHOD: PUSH BUTTON
•
DETENT TO TAPERED END DISTANCE: 0.340 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
SHANK DIAMETER: 0.375 INCHES NOMINAL IN
•
PIN CENTER TO HANDLE END DISTANCE: 1.761 INCHES NOMINAL IN
•
GRIP LENGTH: 0.750 INCHES NOMINAL IN
•
SHOULDER TO HEAD END DISTANCE: 1.141 INCHES NOMINAL IN
•
HEAD DIAMETER: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACTUATION METHODPUSH BUTTON
DETENT TO TAPERED END DISTANCE0.340 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
SHANK DIAMETER0.375 INCHES NOMINAL IN
PIN CENTER TO HANDLE END DISTANCE1.761 INCHES NOMINAL IN
GRIP LENGTH0.750 INCHES NOMINAL IN
SHOULDER TO HEAD END DISTANCE1.141 INCHES NOMINAL IN
HEAD DIAMETER0.438 INCHES NOMINAL IN
MATERIALSTEEL COMP 4130 OVERALL
DETENT QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
F3NY-312NACInterchangeable
interchangeable cross-reference
interchangeable
F3NY-312BKInterchangeable
interchangeable cross-reference
interchangeable
5/16-3Interchangeable
interchangeable cross-reference
interchangeable
5163Interchangeable
interchangeable cross-reference
interchangeable
T235A132-1Interchangeable
interchangeable cross-reference
interchangeable
4L310Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BLS6R0.75NC1.25?
BLS6R0.75NC1.25 is a BLS6R0.75NC1.25.
What parts can replace BLS6R0.75NC1.25?
There are 18 known substitutes for BLS6R0.75NC1.25: F3NY-312NAC, F3NY-312BK, 5/16-3 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BLS6R0.75NC1.25?
BLS6R0.75NC1.25 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-200-4326. 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