PartsTable
Technical Data Sheet
8HA19 ✓ 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,ROUND is a the manufacturer industrial component. Key specifications include nut_style: ROUND, thread_class: 2B, nut_thickness: 0.22 INCHES NOMINAL IN, thread_series: NPSM, special_features: OUTSIDE DIAMETER MINUS DRIVE POINT: 1.56 INCHES IN, surface_treatment: ZINC OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-186-6930, 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
8HA19
NSN: 5310-01-186-6930
FSC: 5310
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
nut_styleROUND
thread_class2B
nut_thickness0.22 INCHES NOMINAL IN
thread_seriesNPSM
special_featuresOUTSIDE DIAMETER MINUS DRIVE POINT: 1.56 INCHES IN
surface_treatmentZINC OVERALL
nominal_thread_size1.0 INCHES IN
end_item_identificationMRAP - M-ATV; 4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV)
thread_quantity_per_inch11.5
part_name_assigned_by_controlling_agencyCONDUIT LOCKNUT
NSN5310-01-186-6930
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8HA19 · 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 SERIES: NPSM
NUT THICKNESS: 0.22 INCHES NOMINAL IN
NUT STYLE: ROUND
NOMINAL THREAD SIZE: 1.0 INCHES IN
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESOUTSIDE DIAMETER MINUS DRIVE POINT: 1.56 INCHES IN
THREAD SERIESNPSM
NUT THICKNESS0.22 INCHES NOMINAL IN
NUT STYLEROUND
NOMINAL THREAD SIZE1.0 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCONDUIT LOCKNUT
END ITEM IDENTIFICATIONMRAP - M-ATV; 4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV)
THREAD CLASS2B
THREAD QUANTITY PER INCH11.5
SURFACE TREATMENTZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
83320Interchangeable
interchangeable cross-reference
interchangeable
6145PL0804809Interchangeable
interchangeable cross-reference
interchangeable
S8929G90WInterchangeable
interchangeable cross-reference
interchangeable
5220Interchangeable
Intel Xeon Gold 5220 18C 2.2G 125W 2933Mhz
interchangeable
70047593Interchangeable
interchangeable cross-reference
interchangeable
760-06124-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8HA19?
8HA19 is a NUT,SELF-LOCKING,ROUND.
What parts can replace 8HA19?
There are 12 known substitutes for 8HA19: 83320, 6145PL0804809, S8929G90W and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8HA19?
8HA19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-186-6930. This indicates validated use in U.S. government and defense supply chains.
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