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Technical Data Sheet
PartsTable / COMPONENT / MS35756-16
MS35756-16 ✓ 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 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL, thickness: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN, key_height: 0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, circle_diameter: 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL, style_designator: ROUND BOTTOM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-616-5529, 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
MS35756-16
NSN: 5315-00-616-5529
FSC: 5315
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
thickness0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
key_height0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
circle_diameter0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND BOTTOM
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 13
NSN5315-00-616-5529
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35756-16 · 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
•
KEY SIZE DESIGNATION: WOODRUFF 13
•
KEY HEIGHT: 0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
STARTING EDGE SHAPE: STRAIGHT
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
CIRCLE DIAMETER: 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
•
THICKNESS: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND BOTTOM
TECHNICAL CHARACTERISTICS (FLIS)
KEY SIZE DESIGNATIONWOODRUFF 13
KEY HEIGHT0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
STARTING EDGE SHAPESTRAIGHT
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
CIRCLE DIAMETER0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
MATERIALSTEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
THICKNESS0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
STYLE DESIGNATORROUND BOTTOM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
4563AInterchangeable
interchangeable cross-reference
interchangeable
0905125-1Interchangeable
interchangeable cross-reference
interchangeable
K113Interchangeable
interchangeable cross-reference
interchangeable
2101-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-5015Interchangeable
interchangeable cross-reference
interchangeable
MS3108B281PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35756-16?
MS35756-16 is a KEY,WOODRUFF.
What parts can replace MS35756-16?
There are 29 known substitutes for MS35756-16: 4563A, 0905125-1, K113 and 26 more. Substitute compatibility should be verified for your specific system.
Is MS35756-16 still available?
MS35756-16 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026