PartsTable
Technical Data Sheet
0428CG20 ✓ 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,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER OR STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.295 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, locking_feature: PREVAILING TORQUE WITH METALLIC INSERT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-579-5121, 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
0428CG20
NSN: 5310-00-579-5121
FSC: 5310
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialCOPPER OR STEEL OVERALL
nut_styleHEXAGON
nut_height0.295 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE WITH METALLIC INSERT
thread_directionRIGHT-HAND
precious_materialSILVER
surface_treatmentSILVER OVERALL
width_across_flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeCHAMFERED
NSN5310-00-579-5121
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0428CG20 · 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
THREAD DIRECTION: RIGHT-HAND
WIDTH ACROSS FLATS: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
BEARING SURFACE TYPE: CHAMFERED
THREAD QUANTITY PER INCH: 28
NOMINAL THREAD SIZE: 0.250 INCHES IN
THREAD SERIES: UNF
SURFACE TREATMENT: SILVER OVERALL
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH28
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD SERIESUNF
SURFACE TREATMENTSILVER OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.295 INCHES NOMINAL IN
LOCKING FEATUREPREVAILING TORQUE WITH METALLIC INSERT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
NP38165Interchangeable
interchangeable cross-reference
interchangeable
314278Interchangeable
interchangeable cross-reference
interchangeable
16X79Interchangeable
interchangeable cross-reference
interchangeable
98676R1Interchangeable
interchangeable cross-reference
interchangeable
7637616P0006Interchangeable
interchangeable cross-reference
interchangeable
RF6622-825SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 0428CG20?
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 0428CG20?
0428CG20 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 0428CG20?
There are 9 known substitutes for 0428CG20: NP38165, 314278, 16X79 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0428CG20?
0428CG20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-579-5121. 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 — 0428CG20