PartsTable
Technical Data Sheet
EE3-1-8L ✓ 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,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.130 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-260-9554, 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
EE3-1-8L
NSN: 5310-00-260-9554
FSC: 5310
CAGE: 36378 — RAYTHEON TECHNICAL SERVICES COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
nut_height0.130 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
width_across_flats0.344 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch32
NSN5310-00-260-9554
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: EE3-1-8L · 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
BEARING SURFACE TYPE: CHAMFERED
THREAD QUANTITY PER INCH: 32
NOMINAL THREAD SIZE: 0.164 INCHES IN
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
THREAD CLASS: 2B
WIDTH ACROSS FLATS: 0.344 INCHES NOMINAL IN
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH32
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS2B
WIDTH ACROSS FLATS0.344 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
SURFACE TREATMENTNICKEL OVERALL
NUT HEIGHT0.130 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
HNW-561BInterchangeable
interchangeable cross-reference
interchangeable
CAL15000PC8Interchangeable
interchangeable cross-reference
interchangeable
422-14Interchangeable
interchangeable cross-reference
interchangeable
75107Interchangeable
interchangeable cross-reference
interchangeable
HN775B08-32Interchangeable
interchangeable cross-reference
interchangeable
57435-155Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EE3-1-8L?
EE3-1-8L is a NUT,PLAIN,HEXAGON.
What parts can replace EE3-1-8L?
There are 8 known substitutes for EE3-1-8L: HNW-561B, CAL15000PC8, 422-14 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EE3-1-8L?
EE3-1-8L is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-260-9554. This indicates validated use in U.S. government and defense supply chains.
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