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378210 — KEY,WOODRUFF

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

378210: KEY,WOODRUFF.

The KEY,WOODRUFF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, thickness: 0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN, key_height: 0.188 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN, overall_length: 0.531 INCHES NOMINAL IN, circle_diameter: 0.500 INCHES NOMINAL IN, hardness_rating: 32.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-092-2034, 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
378210
NSN: 5315-01-092-2034
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11757 — PARKER HANNIFIN CORPORATION DIV CHELSEA PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
thickness0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
key_height0.188 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN
overall_length0.531 INCHES NOMINAL IN
circle_diameter0.500 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
shoulder_height0.0514 INCHES MINIMUM AND 0.0564 INCHES MAXIMUM IN
style_designatorFLAT BOTTOM SHOULDERED ENDS
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 3
NSN5315-01-092-2034
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 378210 · 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
•
SHOULDER HEIGHT: 0.0514 INCHES MINIMUM AND 0.0564 INCHES MAXIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: FLAT BOTTOM SHOULDERED ENDS
•
CIRCLE DIAMETER: 0.500 INCHES NOMINAL IN
•
KEY HEIGHT: 0.188 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN
•
KEY SIZE DESIGNATION: WOODRUFF 3
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.0514 INCHES MINIMUM AND 0.0564 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORFLAT BOTTOM SHOULDERED ENDS
OVERALL LENGTH0.531 INCHES NOMINAL IN
CIRCLE DIAMETER0.500 INCHES NOMINAL IN
KEY HEIGHT0.188 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN
KEY SIZE DESIGNATIONWOODRUFF 3
MATERIALSTEEL COMP 1035 OVERALL
THICKNESS0.125 INCHES MINIMUM AND 0.126 INCHES MAXIMUM 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 378210?
378210 is a KEY,WOODRUFF.
What is the NSN for 378210?
378210 is cataloged in the U.S. Government catalog under NSN 5315-01-092-2034. 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.