PartsTable
Technical Data Sheet
MS21044C08 ✓ 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 CORROSION RESISTING NUT, nut_style: HEXAGON, nut_height: 0.281 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-982-6814, 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
MS21044C08
NSN: 5310-00-982-6814
FSC: 5310
CAGE: 0118B — THALES ESPANA SISTEMAS, S.A.U. (ESP)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING NUT
nut_styleHEXAGON
nut_height0.281 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.344 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
bearing_surface_typeCHAMFERED
end_item_identificationAN/TPN-31 V V
NSN5310-00-982-6814
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS21044C08 · 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 DIRECTION: RIGHT-HAND
BEARING SURFACE FINISH: 125.0 MICROINCHES
MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 NUT
THREAD QUANTITY PER INCH: 32
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
THREAD SERIES: UNJC
NOMINAL THREAD SIZE: 0.164 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
BEARING SURFACE FINISH125.0 MICROINCHES
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 NUT
THREAD QUANTITY PER INCH32
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
THREAD SERIESUNJC
END ITEM IDENTIFICATIONMRAP - RG-33; MRAP - M-ATV W/CS13 POP AND SNE; MEDIUM MINE PROTECTED VEHICLE - MMPV
NOMINAL THREAD SIZE0.164 INCHES IN
WIDTH ACROSS FLATS0.336 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
COUNTERSINK ANGLE88.0 DEGREES NOMINAL NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
XD33Interchangeable
interchangeable cross-reference
interchangeable
20534S7Interchangeable
interchangeable cross-reference
interchangeable
MS35297-67Interchangeable
interchangeable cross-reference
interchangeable
45041-350832Interchangeable
interchangeable cross-reference
interchangeable
79NM832Interchangeable
interchangeable cross-reference
interchangeable
203-1011P46Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21044C08?
MS21044C08 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace MS21044C08?
There are 32 known substitutes for MS21044C08: XD33, 20534S7, MS35297-67 and 29 more. Substitute compatibility should be verified for your specific system.
Is MS21044C08 still available?
MS21044C08 is currently cancelled.
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