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Technical Data Sheet
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M306002 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include radius: 1.625 INCHES NOMINAL IN, overall_width: 0.5000 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN, overall_height: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, overall_length: 3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM IN, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL, round_end_length: 0.844 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-281-7650, 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
M306002
NSN: 5315-00-281-7650
FSC: 5315
CAGE: 61465 — GARWOOD/FELLER INC GARWOOD WINCH DIV (USA)
SPECIFICATIONS
radius1.625 INCHES NOMINAL IN
overall_width0.5000 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
overall_height0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
overall_length3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
round_end_length0.844 INCHES NOMINAL IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
material_document_and_classificationASTM A-108 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-281-7650
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M306002 · 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
•
STYLE DESIGNATOR: PLAIN
•
ROUND END LENGTH: 0.844 INCHES NOMINAL IN
•
RADIUS: 1.625 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A-108 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
ROUND END LENGTH0.844 INCHES NOMINAL IN
OVERALL LENGTH3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM IN
OVERALL WIDTH0.5000 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
RADIUS1.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-108 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1137 OR STEEL COMP 1139 OR STEEL COMP 1140 OR STEEL COMP 1141 OR STEEL COMP 1144 OR STEEL COMP 1145 OR STEEL COMP 1146 OR STEEL COMP 1151 OVERALL
STARTING EDGE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
LS1198Interchangeable
interchangeable cross-reference
interchangeable
CVC1638Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
232010Interchangeable
interchangeable cross-reference
interchangeable
CR500L0.5Interchangeable
interchangeable cross-reference
interchangeable
9097-073Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M306002?
M306002 is a KEY,MACHINE.
What parts can replace M306002?
There are 19 known substitutes for M306002: LS1198, CVC1638, AMS-QQ-A-200/3 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M306002?
M306002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-281-7650. 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