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PartsTable / COMPONENT / 149 ITEM 35
149 ITEM 35 ✓ 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: STEEL OVERALL, hole_diameter: 0.660 INCHES NOMINAL IN, outside_diameter: 1.340 INCHES NOMINAL IN, style_designator: KEYWAY, material_thickness: 0.020 INCHES NOMINAL IN, internal_keyway_width: 0.150 INCHES NOMINAL 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 5310-00-870-6979, 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
149 ITEM 35
NSN: 5310-00-870-6979
FSC: 5310
CAGE: K7018 — WELLMAN GROUP (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.660 INCHES NOMINAL IN
outside_diameter1.340 INCHES NOMINAL IN
style_designatorKEYWAY
material_thickness0.020 INCHES NOMINAL IN
internal_keyway_width0.150 INCHES NOMINAL IN
distance_from_centerline_to_bottom_of_internal_keyway0.466 INCHES MINIMUM AND 0.476 INCHES MAXIMUM IN
NSN5310-00-870-6979
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 149 ITEM 35 · 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: KEYWAY
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.660 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.340 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
•
INTERNAL KEYWAY WIDTH: 0.150 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO BOTTOM OF INTERNAL KEYWAY: 0.466 INCHES MINIMUM AND 0.476 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORKEYWAY
MATERIALSTEEL OVERALL
HOLE DIAMETER0.660 INCHES NOMINAL IN
OUTSIDE DIAMETER1.340 INCHES NOMINAL IN
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
INTERNAL KEYWAY WIDTH0.150 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO BOTTOM OF INTERNAL KEYWAY0.466 INCHES MINIMUM AND 0.476 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
331228HInterchangeable
interchangeable cross-reference
interchangeable
14935Interchangeable
interchangeable cross-reference
interchangeable
14909Interchangeable
interchangeable cross-reference
interchangeable
6209RSInterchangeable
interchangeable cross-reference
interchangeable
FFB171Interchangeable
interchangeable cross-reference
interchangeable
10125116Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 149 ITEM 35?
149 ITEM 35 is a WASHER,KEYWAY.
What parts can replace 149 ITEM 35?
There are 20 known substitutes for 149 ITEM 35: 331228H, 14935, 14909 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 149 ITEM 35?
149 ITEM 35 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-870-6979. 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