PartsTable
Technical Data Sheet
01857-084 ✓ 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: 0.532 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-208-4541, 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
01857-084
NSN: 5310-00-208-4541
FSC: 5310
CAGE: F6101 — SAFRAN AEROSYSTEMS (FRA)
SPECIFICATIONS
materialSTEEL COMP 1212 NUT
nut_styleHEXAGON
nut_height0.532 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
width_across_flats0.675 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
nominal_thread_size0.375 INCHES IN
thread_quantity_per_inch16
NSN5310-00-208-4541
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 01857-084 · 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 STYLE: HEXAGON
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH: 16
NOMINAL THREAD SIZE: 0.375 INCHES IN
WIDTH ACROSS FLATS: 0.675 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
MATERIAL: STEEL COMP 1212 NUT
THREAD CLASS: 3B
NUT HEIGHT: 0.532 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH16
NOMINAL THREAD SIZE0.375 INCHES IN
WIDTH ACROSS FLATS0.675 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1212 NUT
THREAD CLASS3B
NUT HEIGHT0.532 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
10082384Interchangeable
interchangeable cross-reference
interchangeable
F52NE-066Interchangeable
interchangeable cross-reference
interchangeable
34015Interchangeable
interchangeable cross-reference
interchangeable
21NU066Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 01857-084?
01857-084 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 01857-084?
There are 4 known substitutes for 01857-084: 10082384, F52NE-066, 34015 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 01857-084?
01857-084 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-208-4541. This indicates validated use in U.S. government and defense supply chains.
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