PartsTable
Technical Data Sheet
2533408-18 ✓ 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: STEEL COMP 1212 NUT, nut_style: HEXAGON, nut_height: 0.438 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNJC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-8414, 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
2533408-18
NSN: 5310-00-010-8414
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 NUT
nut_styleHEXAGON
nut_height0.438 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNJC
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL EXCEPT INSERT
width_across_flats0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
nominal_thread_size0.438 INCHES IN
bearing_surface_typeCHAMFERED
NSN5310-00-010-8414
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2533408-18 · 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 CLASS: 3B
THREAD SERIES: UNJC
NOMINAL THREAD SIZE: 0.438 INCHES IN
BEARING SURFACE FINISH: 125.0 MICROINCHES
BEARING SURFACE TYPE: CHAMFERED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
THREAD QUANTITY PER INCH: 14
WIDTH ACROSS FLATS: 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
THREAD SERIESUNJC
NOMINAL THREAD SIZE0.438 INCHES IN
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
THREAD QUANTITY PER INCH14
WIDTH ACROSS FLATS0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5010 ASSN STD SINGLE MATERIAL RESPONSE NUT
SURFACE TREATMENTZINC OVERALL EXCEPT INSERT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
13151Interchangeable
interchangeable cross-reference
interchangeable
986067-1Interchangeable
interchangeable cross-reference
interchangeable
860549Interchangeable
interchangeable cross-reference
interchangeable
N13151Interchangeable
interchangeable cross-reference
interchangeable
0-12880Interchangeable
interchangeable cross-reference
interchangeable
0-13151Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 2533408-18?
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 2533408-18?
2533408-18 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 2533408-18?
There are 17 known substitutes for 2533408-18: 13151, 986067-1, 860549 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2533408-18?
2533408-18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-8414. 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 — 2533408-18