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PartsTable / COMPONENT / 391548-3
391548-3 ✓ 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 BELT,V is a the manufacturer industrial component. Key specifications include angle: 40.0 DEGREES, material: RUBBER CHLOROPRENE CLASS CR AND RUBBER NEOPRENE AND RUBBER SYNTHETIC OVERALL, nominal_width: 1.125 INCHES IN, style_designator: MULTI-RIB BAND DRIVE, nominal_effective_outside_length: 67.000 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-975-5908, 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
391548-3
NSN: 5315-00-975-5908
FSC: 5315
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
angle40.0 DEGREES
materialRUBBER CHLOROPRENE CLASS CR AND RUBBER NEOPRENE AND RUBBER SYNTHETIC OVERALL
nominal_width1.125 INCHES IN
section_quantity8
style_designatorMULTI-RIB BAND DRIVE
nominal_effective_outside_length67.000 INCHES IN
NSN5315-00-975-5908
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 391548-3 · 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
•
FIRST END STYLE: CHAMFERED
•
PIN OVERALL DIAMETER: 0.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
FIRST END TAPER LENGTH: 0.100 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN OVERALL LENGTH: 5.700 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END STYLECHAMFERED
PIN OVERALL DIAMETER0.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
FIRST END TAPER LENGTH0.100 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN OVERALL LENGTH5.700 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
2AF743Interchangeable
interchangeable cross-reference
interchangeable
3915483Interchangeable
interchangeable cross-reference
interchangeable
5080670Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 391548-3?
391548-3 is a BELT,V.
What parts can replace 391548-3?
There are 3 known substitutes for 391548-3: 2AF743, 3915483, 5080670. Substitute compatibility should be verified for your specific system.
What is the NSN for 391548-3?
391548-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-975-5908. 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