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PartsTable / COMPONENT / 50-6A16
50-6A16 ✓ 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 KEY,WOODRUFF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, thickness: 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN, key_height: 0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, circle_diameter: 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, style_designator: ROUND BOTTOM, starting_edge_shape: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-011-3782, 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
50-6A16
NSN: 5315-00-011-3782
FSC: 5315
CAGE: 60528 — TRAILMOBILE INC SUB OF THE PULLMAN CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
thickness0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
key_height0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
circle_diameter0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
style_designatorROUND BOTTOM
starting_edge_shapeROUND
key_size_designationWOODRUFF 15
starting_edge_radius0.010 INCHES NOMINAL IN
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-011-3782
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 50-6A16 · 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
•
KEY HEIGHT: 0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND BOTTOM
•
THICKNESS: 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
•
STARTING EDGE RADIUS: 0.010 INCHES NOMINAL IN
•
KEY SIZE DESIGNATION: WOODRUFF 15
•
MATERIAL: STEEL COMP 1035 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STARTING EDGE SHAPE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
KEY HEIGHT0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
STYLE DESIGNATORROUND BOTTOM
THICKNESS0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
STARTING EDGE RADIUS0.010 INCHES NOMINAL IN
KEY SIZE DESIGNATIONWOODRUFF 15
MATERIALSTEEL COMP 1035 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STARTING EDGE SHAPEROUND
CIRCLE DIAMETER0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
150155Interchangeable
interchangeable cross-reference
interchangeable
B118AInterchangeable
interchangeable cross-reference
interchangeable
124553Interchangeable
interchangeable cross-reference
interchangeable
RLS32Interchangeable
interchangeable cross-reference
interchangeable
64BIC02Interchangeable
interchangeable cross-reference
interchangeable
LS21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50-6A16?
50-6A16 is a KEY,WOODRUFF.
What parts can replace 50-6A16?
There are 30 known substitutes for 50-6A16: 150155, B118A, 124553 and 27 more. Substitute compatibility should be verified for your specific system.
Is 50-6A16 still available?
50-6A16 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