PartsTable
Technical Data Sheet
30FK1018 ✓ 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 thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), special_features: MATERIAL: STEEL,CARBON OR ALLOY,SIZED -912 AND UP;FINISH CODE: PLAIN;THREADS: .625-18 UNJF-3B, thread_direction: RIGHT-HAND, end_item_identification: NSN: 5420-01-430-5403, part_name_assigned_by_controlling_agency: NUT, FLEXLOC, THIN, LIGHT HEX SERIES, SELF-LOCKING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-973-0721, 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
30FK1018
NSN: 5310-00-973-0721
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
special_featuresMATERIAL: STEEL,CARBON OR ALLOY,SIZED -912 AND UP;FINISH CODE: PLAIN;THREADS: .625-18 UNJF-3B
thread_directionRIGHT-HAND
end_item_identificationNSN: 5420-01-430-5403
part_name_assigned_by_controlling_agencyNUT, FLEXLOC, THIN, LIGHT HEX SERIES, SELF-LOCKING
NSN5310-00-973-0721
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 30FK1018 · 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
NUT HEIGHT: 0.399 INCHES MAXIMUM IN
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
MATERIAL: STEEL OVERALL
BEARING SURFACE FINISH: 125.0 MICROINCHES
BEARING SURFACE TYPE: CHAMFERED
NOMINAL THREAD SIZE: 0.625 INCHES IN
THREAD QUANTITY PER INCH: 18
THREAD SERIES: UNF
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.399 INCHES MAXIMUM IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIALSTEEL OVERALL
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE0.625 INCHES IN
THREAD QUANTITY PER INCH18
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
01-435-0085-5PC84Interchangeable
interchangeable cross-reference
interchangeable
01-435-0146-5PC73Interchangeable
interchangeable cross-reference
interchangeable
CJ1-30FK-1018Interchangeable
interchangeable cross-reference
interchangeable
29NTE-108Interchangeable
interchangeable cross-reference
interchangeable
01-435-0212-5PC84Interchangeable
interchangeable cross-reference
interchangeable
30FK-1018Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy 30FK1018?
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 30FK1018?
30FK1018 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 30FK1018?
There are 6 known substitutes for 30FK1018: 01-435-0085-5PC84, 01-435-0146-5PC73, CJ1-30FK-1018 and 3 more. Substitute compatibility should be verified for your specific system.
Is 30FK1018 still available?
30FK1018 is currently cancelled.
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 — 30FK1018