PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 12720E-02BC
12720E-02BC ✓ 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
12720E-02BC
NSN: 5310-01-048-6105
FSC: 5310
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (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: 12720E-02BC · 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
R3000C3MKInterchangeable
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
Ready to buy 12720E-02BC?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 12720E-02BC?
12720E-02BC is a NUT,SELF-LOCKING,PLATE.
What parts can replace 12720E-02BC?
There are 9 known substitutes for 12720E-02BC: NAS684C3M, K3001-3, 12720E-02 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12720E-02BC?
12720E-02BC 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.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 12720E-02BC

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026