PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 500007-28
500007-28 ✓ 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 thickness: 0.250 INCHES NOMINAL IN, key_height: 0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN, circle_diameter: 1.125 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL, style_designator: ROUND BOTTOM, starting_edge_shape: STRAIGHT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-012-4556, 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
500007-28
NSN: 5315-00-012-4556
FSC: 5315
CAGE: 95019 — DANA CORP SPICER TRANSMISSION DIV (USA)
SPECIFICATIONS
thickness0.250 INCHES NOMINAL IN
key_height0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
circle_diameter1.125 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND BOTTOM
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 18
NSN5315-00-012-4556
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 500007-28 · 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 SIZE DESIGNATION: WOODRUFF 18
•
KEY HEIGHT: 0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: ROUND BOTTOM
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
THICKNESS: 0.250 INCHES NOMINAL IN
•
CIRCLE DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
KEY SIZE DESIGNATIONWOODRUFF 18
KEY HEIGHT0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORROUND BOTTOM
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
THICKNESS0.250 INCHES NOMINAL IN
CIRCLE DIAMETER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1704Interchangeable
interchangeable cross-reference
interchangeable
5112Interchangeable
interchangeable cross-reference
interchangeable
WWN351Interchangeable
interchangeable cross-reference
interchangeable
0000250Interchangeable
interchangeable cross-reference
interchangeable
SCD33436ITEM1AND10Interchangeable
interchangeable cross-reference
interchangeable
124556Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 500007-28?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 500007-28?
500007-28 is a KEY,WOODRUFF.
What parts can replace 500007-28?
There are 14 known substitutes for 500007-28: 1704, 5112, WWN351 and 11 more. Substitute compatibility should be verified for your specific system.
Is 500007-28 still available?
500007-28 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 500007-28

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026