PartsTable
Technical Data Sheet
21333 FIND 46 ✓ 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: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: HEXAGON, nut_height: 0.328 INCHES MAXIMUM IN, lubrication: SOLUBLE LUBRICANT, temp_rating: 250.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-947-1380, 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
21333 FIND 46
NSN: 5310-00-947-1380
FSC: 5310
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_styleHEXAGON
nut_height0.328 INCHES MAXIMUM IN
lubricationSOLUBLE LUBRICANT
temp_rating250.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
countersink_angle88.0 DEGREES MINIMUM NUT
surface_treatmentPASSIVATE OVERALL EXCEPT INSERT
width_across_flats0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
NSN5310-00-947-1380
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21333 FIND 46 · 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
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
SURFACE TREATMENT: PASSIVATE OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
TEMP RATING: 250.0 FAHRENHEIT MAXIMUM DEGF
NOMINAL THREAD SIZE: 0.500 INCHES IN
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
SURFACE TREATMENTPASSIVATE OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
TEMP RATING250.0 FAHRENHEIT MAXIMUM DEGF
NOMINAL THREAD SIZE0.500 INCHES IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
COUNTERSINK ANGLE88.0 DEGREES MINIMUM NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
75NTM82Interchangeable
interchangeable cross-reference
interchangeable
1V0064-00Interchangeable
interchangeable cross-reference
interchangeable
21C1599-22Interchangeable
interchangeable cross-reference
interchangeable
803-5959306-T-3XX-025Interchangeable
interchangeable cross-reference
interchangeable
803-5959306-3XX-025Interchangeable
interchangeable cross-reference
interchangeable
MS21083C8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21333 FIND 46?
21333 FIND 46 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 21333 FIND 46?
There are 14 known substitutes for 21333 FIND 46: 75NTM82, 1V0064-00, 21C1599-22 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21333 FIND 46?
21333 FIND 46 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-947-1380. This indicates validated use in U.S. government and defense supply chains.
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