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10TSD4 — KEY,WOODRUFF

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10TSD4: KEY,WOODRUFF.

The KEY,WOODRUFF is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.125 INCHES NOMINAL IN, key_height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, circle_diameter: 0.625 INCHES NOMINAL IN, style_designator: ROUND BOTTOM, starting_edge_shape: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-209-6947, 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
10TSD4
NSN: 5315-00-209-6947
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 04579 — AURORA PUMP A UNIT OF GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.125 INCHES NOMINAL IN
key_height0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
circle_diameter0.625 INCHES NOMINAL IN
style_designatorROUND BOTTOM
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 5
NSN5315-00-209-6947
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10TSD4 · 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 SHAPE: STRAIGHT
•
STYLE DESIGNATOR: ROUND BOTTOM
•
CIRCLE DIAMETER: 0.625 INCHES NOMINAL IN
•
KEY HEIGHT: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
KEY SIZE DESIGNATION: WOODRUFF 5
•
MATERIAL: STEEL OVERALL
•
THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORROUND BOTTOM
CIRCLE DIAMETER0.625 INCHES NOMINAL IN
KEY HEIGHT0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
KEY SIZE DESIGNATIONWOODRUFF 5
MATERIALSTEEL OVERALL
THICKNESS0.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
841-63Reference document
Same NSN cross-reference
Reference document — Secondary reference
TSD4-10Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10TSD4?
10TSD4 is a KEY,WOODRUFF.
What parts can replace 10TSD4?
There are 2 known substitutes for 10TSD4: 841-63, TSD4-10. Substitute compatibility should be verified for your specific system.
What is the NSN for 10TSD4?
10TSD4 is cataloged in the U.S. Government catalog under NSN 5315-00-209-6947. 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.