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Technical Data Sheet
PartsTable / COMPONENT / 8LW3
8LW3 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.156 INCHES NOMINAL IN, outside_diameter: 0.297 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.054 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-5309, 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
8LW3
NSN: 5310-00-209-5309
FSC: 5310
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.156 INCHES NOMINAL IN
outside_diameter0.297 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.054 INCHES NOMINAL IN
NSN5310-00-209-5309
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8LW3 · 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
•
NONDEFINITIVE SPEC/STD DATA: 2 STYLE AND A CLASS
•
MATERIAL THICKNESS: 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.293 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA2 STYLE AND A CLASS
MATERIAL THICKNESS0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.293 INCHES MAXIMUM IN
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1554Interchangeable
interchangeable cross-reference
interchangeable
5310PL0145204Interchangeable
interchangeable cross-reference
interchangeable
2300042Interchangeable
interchangeable cross-reference
interchangeable
453299Interchangeable
interchangeable cross-reference
interchangeable
74059373Interchangeable
interchangeable cross-reference
interchangeable
20951Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8LW3?
8LW3 is a WASHER,LOCK.
What parts can replace 8LW3?
There are 20 known substitutes for 8LW3: 1554, 5310PL0145204, 2300042 and 17 more. Substitute compatibility should be verified for your specific system.
Is 8LW3 still available?
8LW3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026