PartsTable
Technical Data Sheet
NASM21044-N08 ✓ 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 NYLON LOCKING INSERT, nut_style: HEXAGON, nut_height: 0.091 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNJC, 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 5310-01-647-3099, 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
NASM21044-N08
NSN: 5310-01-647-3099
FSC: 5310
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC NYLON LOCKING INSERT
nut_styleHEXAGON
nut_height0.091 INCHES NOMINAL IN
thread_class3B
thread_seriesUNJC
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL EXCEPT INSERT
width_across_flats0.336 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
nominal_thread_size0.164 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch32
NSN5310-01-647-3099
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NASM21044-N08 · 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 HEIGHT: 0.091 INCHES NOMINAL IN
THREAD SERIES: UNJC
NOMINAL THREAD SIZE: 0.164 INCHES IN
BEARING SURFACE TYPE: CHAMFERED
THREAD QUANTITY PER INCH: 32
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD DIRECTION: RIGHT-HAND
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.091 INCHES NOMINAL IN
THREAD SERIESUNJC
NOMINAL THREAD SIZE0.164 INCHES IN
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH32
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
WIDTH ACROSS FLATS0.336 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
NUT STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
F22NM82Interchangeable
interchangeable cross-reference
interchangeable
188036Interchangeable
interchangeable cross-reference
interchangeable
8825442-113Interchangeable
interchangeable cross-reference
interchangeable
MS21044-N08Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NASM21044-N08?
NASM21044-N08 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace NASM21044-N08?
There are 4 known substitutes for NASM21044-N08: F22NM82, 188036, 8825442-113 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NASM21044-N08?
NASM21044-N08 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-647-3099. This indicates validated use in U.S. government and defense supply chains.
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