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A20528 — KEY,WOODRUFF

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A20528: KEY,WOODRUFF.

The KEY,WOODRUFF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8630 OVERALL, thickness: 0.093 INCHES NOMINAL IN, key_height: 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, circle_diameter: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, style_designator: ROUND BOTTOM, surface_treatment: PHOSPHATE MANGANESE OR PHOSPHATE MANGANESE AND PHOSPHATE ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-916-2173, 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
A20528
NSN: 5315-00-916-2173
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: U4574 — FNH UK LTD (GBR)
SPECIFICATIONS
materialSTEEL COMP 8630 OVERALL
thickness0.093 INCHES NOMINAL IN
key_height0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
circle_diameter0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
style_designatorROUND BOTTOM
surface_treatmentPHOSPHATE MANGANESE OR PHOSPHATE MANGANESE AND PHOSPHATE ZINC OVERALL
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 207
NSN5315-00-916-2173
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A20528 · 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: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
KEY HEIGHT: 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
KEY SIZE DESIGNATION: WOODRUFF 207
•
SURFACE TREATMENT: PHOSPHATE MANGANESE OR PHOSPHATE MANGANESE AND PHOSPHATE ZINC OVERALL
•
MATERIAL: STEEL COMP 8630 OVERALL
•
THICKNESS: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORROUND BOTTOM
CIRCLE DIAMETER0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
KEY HEIGHT0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
KEY SIZE DESIGNATIONWOODRUFF 207
SURFACE TREATMENTPHOSPHATE MANGANESE OR PHOSPHATE MANGANESE AND PHOSPHATE ZINC OVERALL
MATERIALSTEEL COMP 8630 OVERALL
THICKNESS0.093 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 4
3520005620430Reference document
Same NSN cross-reference
Reference document — Informative reference only
3515009162173Reference document
Same NSN cross-reference
Reference document — Informative reference only
5315PL0923401Reference document
Same NSN cross-reference
Reference document — Informative reference only
11010407Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is A20528?
A20528 is a KEY,WOODRUFF.
What parts can replace A20528?
There are 4 known substitutes for A20528: 3520005620430, 3515009162173, 5315PL0923401 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A20528?
A20528 is cataloged in the U.S. Government catalog under NSN 5315-00-916-2173. This indicates validated use in U.S. government and defense supply chains.
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