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Technical Data Sheet
PartsTable / COMPONENT / 0911020-6
0911020-6 ✓ 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 COMP 1035 OVERALL, thickness: 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN, key_height: 0.542 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN, circle_diameter: 1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, style_designator: ROUND BOTTOM, starting_edge_shape: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-8626, 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
0911020-6
NSN: 5315-00-010-8626
FSC: 5315
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
thickness0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
key_height0.542 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
circle_diameter1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
style_designatorROUND BOTTOM
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 21
material_document_and_classificationMIL-S-8617 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-010-8626
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0911020-6 · 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
•
KEY SIZE DESIGNATION: WOODRUFF 21
•
CIRCLE DIAMETER: 1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
KEY HEIGHT: 0.542 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND BOTTOM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-8617 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1035 OVERALL
•
THICKNESS: 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STARTING EDGE SHAPESTRAIGHT
KEY SIZE DESIGNATIONWOODRUFF 21
CIRCLE DIAMETER1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
KEY HEIGHT0.542 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
STYLE DESIGNATORROUND BOTTOM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-8617 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1035 OVERALL
THICKNESS0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
911-020Interchangeable
interchangeable cross-reference
interchangeable
51A138D86Interchangeable
interchangeable cross-reference
interchangeable
51A138D86-1Interchangeable
interchangeable cross-reference
interchangeable
W2-F-009 ITEM 34Interchangeable
interchangeable cross-reference
interchangeable
W2-F-009-34Interchangeable
interchangeable cross-reference
interchangeable
6207ARSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0911020-6?
0911020-6 is a KEY,WOODRUFF.
What parts can replace 0911020-6?
There are 14 known substitutes for 0911020-6: 911-020, 51A138D86, 51A138D86-1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0911020-6?
0911020-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-8626. 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