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Technical Data Sheet
PartsTable / COMPONENT / 6481-000
6481-000 ✓ 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,KEYWAY is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hole_diameter: 0.116 INCHES NOMINAL IN, outside_diameter: 0.312 INCHES NOMINAL IN, material_thickness: 0.008 INCHES NOMINAL IN, internal_keyway_width: 0.046 INCHES NOMINAL IN, distance_from_centerline_to_bottom_of_internal_keyway: 0.117 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-356-4267, 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
6481-000
NSN: 5310-00-356-4267
FSC: 5310
CAGE: 14100 — STROMBERG-CARLSON CORP A PLESSEY TELECOMMUNICATIONS CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hole_diameter0.116 INCHES NOMINAL IN
outside_diameter0.312 INCHES NOMINAL IN
material_thickness0.008 INCHES NOMINAL IN
internal_keyway_width0.046 INCHES NOMINAL IN
distance_from_centerline_to_bottom_of_internal_keyway0.117 INCHES NOMINAL IN
NSN5310-00-356-4267
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6481-000 · 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
•
HOLE DIAMETER: 0.116 INCHES NOMINAL IN
•
INTERNAL KEYWAY WIDTH: 0.046 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.008 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
OUTSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO BOTTOM OF INTERNAL KEYWAY: 0.117 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.116 INCHES NOMINAL IN
INTERNAL KEYWAY WIDTH0.046 INCHES NOMINAL IN
MATERIAL THICKNESS0.008 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
OUTSIDE DIAMETER0.312 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO BOTTOM OF INTERNAL KEYWAY0.117 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
6481Interchangeable
interchangeable cross-reference
interchangeable
EN8-25Interchangeable
interchangeable cross-reference
interchangeable
RELEASE1370Interchangeable
interchangeable cross-reference
interchangeable
717751-1Interchangeable
interchangeable cross-reference
interchangeable
366481Interchangeable
interchangeable cross-reference
interchangeable
387-423Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6481-000?
6481-000 is a WASHER,KEYWAY.
What parts can replace 6481-000?
There are 10 known substitutes for 6481-000: 6481, EN8-25, RELEASE1370 and 7 more. Substitute compatibility should be verified for your specific system.
Is 6481-000 still available?
6481-000 is currently cancelled.
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Last verified: July 2026