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PartsTable / COMPONENT / 4199A
4199A ✓ 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 OVERALL, thickness: 0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN, key_height: 0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, circle_diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, style_designator: FLAT BOTTOM, starting_edge_shape: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-221-5359, 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
4199A
NSN: 5315-00-221-5359
FSC: 5315
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
key_height0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
circle_diameter0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
style_designatorFLAT BOTTOM
starting_edge_shapeROUND
key_size_designationWOODRUFF 3
starting_edge_radius0.010 INCHES NOMINAL IN
NSN5315-00-221-5359
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4199A · 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
•
STARTING EDGE RADIUS: 0.010 INCHES NOMINAL IN
•
CIRCLE DIAMETER: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
KEY HEIGHT: 0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
•
KEY SIZE DESIGNATION: WOODRUFF 3
•
STYLE DESIGNATOR: FLAT BOTTOM
•
THICKNESS: 0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
STARTING EDGE SHAPE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
STARTING EDGE RADIUS0.010 INCHES NOMINAL IN
CIRCLE DIAMETER0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
KEY HEIGHT0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
KEY SIZE DESIGNATIONWOODRUFF 3
STYLE DESIGNATORFLAT BOTTOM
THICKNESS0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
STARTING EDGE SHAPEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
EUDERMIC SURGICAL GLOVESInterchangeable
Gloves,surgeons'
interchangeable
8575Interchangeable
Gloves,surgeons'
interchangeable
37-6189-1Interchangeable
Gloves,surgeons'
interchangeable
835-012Interchangeable
interchangeable cross-reference
interchangeable
N14313Interchangeable
interchangeable cross-reference
interchangeable
ABW998007Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4199A?
4199A is a KEY,WOODRUFF.
What parts can replace 4199A?
There are 19 known substitutes for 4199A: EUDERMIC SURGICAL GLOVES, 8575, 37-6189-1 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4199A?
4199A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-221-5359. 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