PartsTable
Technical Data Sheet
R3000C3MK ✓ 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 NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: PLATE, nut_height: 0.250 INCHES MAXIMUM IN, nut_length: 0.653 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-048-6105, 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
R3000C3MK
NSN: 5310-01-048-6105
FSC: 5310
CAGE: 52828 — REPUBLIC FASTENER MFG. CORP. DBA ARCONIC FASTENING SYSTEMS (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_stylePLATE
nut_height0.250 INCHES MAXIMUM IN
nut_length0.653 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating49.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.047 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
NSN5310-01-048-6105
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R3000C3MK · 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
MATERIAL: IRON ALLOY 660 OVERALL
NUT LENGTH: 0.653 INCHES MAXIMUM IN
NUT STYLE: PLATE
PLATE THICKNESS: 0.047 INCHES MAXIMUM IN
NUT COUNTERBORE DEPTH: 0.062 INCHES MINIMUM NUT IN
NUT MOUNTING PROVISION: COUNTERSUNK HOLES OR DIMPLED HOLES
MOUNTING PROVISION LOCATION: OPPOSITE NUT PROJECTION SIDE
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALIRON ALLOY 660 OVERALL
NUT LENGTH0.653 INCHES MAXIMUM IN
NUT STYLEPLATE
PLATE THICKNESS0.047 INCHES MAXIMUM IN
NUT COUNTERBORE DEPTH0.062 INCHES MINIMUM NUT IN
NUT MOUNTING PROVISIONCOUNTERSUNK HOLES OR DIMPLED HOLES
MOUNTING PROVISION LOCATIONOPPOSITE NUT PROJECTION SIDE
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
NAS684C3MInterchangeable
interchangeable cross-reference
interchangeable
K3001-3Interchangeable
interchangeable cross-reference
interchangeable
12720E-02Interchangeable
interchangeable cross-reference
interchangeable
12720E-02BCInterchangeable
Same NIIN cross-reference
interchangeable
K3001-3BCInterchangeable
Same NIIN cross-reference
interchangeable
RMLHTA55-2860-02BCInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R3000C3MK?
R3000C3MK is a NUT,SELF-LOCKING,PLATE.
What parts can replace R3000C3MK?
There are 9 known substitutes for R3000C3MK: NAS684C3M, K3001-3, 12720E-02 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R3000C3MK?
R3000C3MK is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-048-6105. This indicates validated use in U.S. government and defense supply chains.
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