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8M5599 — KEY,WOODRUFF

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8M5599: KEY,WOODRUFF.

The KEY,WOODRUFF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8630 OVERALL, thickness: 0.156 INCHES NOMINAL IN, key_height: 0.247 INCHES NOMINAL IN, circle_diameter: 0.620 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL, style_designator: ROUND BOTTOM. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-944-7035, 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
8M5599
NSN: 5315-00-944-7035
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 8630 OVERALL
thickness0.156 INCHES NOMINAL IN
key_height0.247 INCHES NOMINAL IN
circle_diameter0.620 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND BOTTOM
key_chamfer_angle15.0 DEGREES NOMINAL
key_chamfer_length0.057 INCHES NOMINAL IN
starting_edge_shapeCHAMFERED
key_size_designationWOODRUFF 6
NSN5315-00-944-7035
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8M5599 · 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 CHAMFER ANGLE: 15.0 DEGREES NOMINAL
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
STARTING EDGE SHAPE: CHAMFERED
•
STYLE DESIGNATOR: ROUND BOTTOM
•
CIRCLE DIAMETER: 0.620 INCHES NOMINAL IN
•
KEY CHAMFER LENGTH: 0.057 INCHES NOMINAL IN
•
KEY HEIGHT: 0.247 INCHES NOMINAL IN
•
KEY SIZE DESIGNATION: WOODRUFF 6
TECHNICAL CHARACTERISTICS
KEY CHAMFER ANGLE15.0 DEGREES NOMINAL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
STARTING EDGE SHAPECHAMFERED
STYLE DESIGNATORROUND BOTTOM
CIRCLE DIAMETER0.620 INCHES NOMINAL IN
KEY CHAMFER LENGTH0.057 INCHES NOMINAL IN
KEY HEIGHT0.247 INCHES NOMINAL IN
KEY SIZE DESIGNATIONWOODRUFF 6
MATERIALSTEEL COMP 8630 OVERALL
THICKNESS0.156 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8M5599?
8M5599 is a KEY,WOODRUFF.
What is the NSN for 8M5599?
8M5599 is cataloged in the U.S. Government catalog under NSN 5315-00-944-7035. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.