PartsTable
Technical Data Sheet
AN363-1216 ✓ 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 OVERALL, nut_height: 0.875 INCHES NOMINAL IN, temp_rating: 550.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-1419, 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
AN363-1216
NSN: 5310-00-275-1419
FSC: 5310
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_height0.875 INCHES NOMINAL IN
temp_rating550.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND ZINC OVERALL
width_across_flats1.062 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES IN
thread_quantity_per_inch16
NSN5310-00-275-1419
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AN363-1216 · 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: UNF
TEMP RATING: 550.0 FAHRENHEIT NOMINAL DEGF
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
NOMINAL THREAD SIZE: 0.750 INCHES IN
NUT HEIGHT: 0.875 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 16
SURFACE TREATMENT: CADMIUM AND ZINC OVERALL
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNF
TEMP RATING550.0 FAHRENHEIT NOMINAL DEGF
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NOMINAL THREAD SIZE0.750 INCHES IN
NUT HEIGHT0.875 INCHES NOMINAL IN
THREAD QUANTITY PER INCH16
SURFACE TREATMENTCADMIUM AND ZINC OVERALL
THREAD CLASS3B
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
21816Interchangeable
interchangeable cross-reference
interchangeable
40999-2614Interchangeable
interchangeable cross-reference
interchangeable
PM21816Interchangeable
interchangeable cross-reference
interchangeable
TIP35BInterchangeable
interchangeable cross-reference
interchangeable
ECG392Interchangeable
interchangeable cross-reference
interchangeable
392Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN363-1216?
AN363-1216 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace AN363-1216?
There are 9 known substitutes for AN363-1216: 21816, 40999-2614, PM21816 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN363-1216?
AN363-1216 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-1419. This indicates validated use in U.S. government and defense supply chains.
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