PartsTable
Technical Data Sheet
108BL0003 ✓ 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: STEEL OVERALL, nut_style: HEXAGON, nut_height: 1.245 INCHES MINIMUM AND 1.526 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, 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 5310-01-617-2970, 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
108BL0003
NSN: 5310-01-617-2970
FSC: 5310
CAGE: 0LVS7 — ROSENBOOM MACHINE & TOOL, INC. DBA ROSENBOOM MACHINE & TOOL INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height1.245 INCHES MINIMUM AND 1.526 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats2.175 INCHES MINIMUM AND 2.252 INCHES MAXIMUM IN
nominal_thread_size1.500 INCHES IN
bearing_surface_typeWASHER FACED
end_item_identification3930015999978
thread_quantity_per_inch12
NSN5310-01-617-2970
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 108BL0003 · 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
WIDTH ACROSS FLATS: 2.175 INCHES MINIMUM AND 2.252 INCHES MAXIMUM IN
NUT STYLE: HEXAGON
THREAD CLASS: 2B
NOMINAL THREAD SIZE: 1.500 INCHES IN
THREAD SERIES: UNF
BEARING SURFACE TYPE: WASHER FACED
NUT HEIGHT: 1.245 INCHES MINIMUM AND 1.526 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS2.175 INCHES MINIMUM AND 2.252 INCHES MAXIMUM IN
NUT STYLEHEXAGON
END ITEM IDENTIFICATION3930015999978
THREAD CLASS2B
NOMINAL THREAD SIZE1.500 INCHES IN
THREAD SERIESUNF
BEARING SURFACE TYPEWASHER FACED
NUT HEIGHT1.245 INCHES MINIMUM AND 1.526 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
37326Interchangeable
interchangeable cross-reference
interchangeable
318615PC6Interchangeable
interchangeable cross-reference
interchangeable
E39038-12PC4Interchangeable
interchangeable cross-reference
interchangeable
249318Interchangeable
interchangeable cross-reference
interchangeable
4707-249318Interchangeable
interchangeable cross-reference
interchangeable
803-2177142-5XXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 108BL0003?
108BL0003 is a NUT,PLAIN,HEXAGON.
What parts can replace 108BL0003?
There are 7 known substitutes for 108BL0003: 37326, 318615PC6, E39038-12PC4 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 108BL0003?
108BL0003 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-617-2970. This indicates validated use in U.S. government and defense supply chains.
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