PartsTable
Technical Data Sheet
MS21083C8 ✓ 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: 0.328 INCHES MAXIMUM IN, lubrication: SOLUBLE LUBRICANT, temp_rating: 250.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-939-0850, 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
MS21083C8
NSN: 5310-00-939-0850
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING NUT
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
NSN5310-00-939-0850
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS21083C8 · 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 QUANTITY PER INCH: 32
LUBRICATION: SOLUBLE LUBRICANT
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
NOMINAL THREAD SIZE: 0.164 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
THREAD QUANTITY PER INCH32
END ITEM IDENTIFICATIONW/S:STREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD); FIRE CONTROL SYSTEM, MISSILE MK74 (FCS); SUPPORT EQUIPMENT, B-1 AIRCRAFT; GUIDED MISSILE LAUNCHING SYSTEM, MK 26 (GMLS); AIRBORNE MOBILE DIR AIR SPT CTL (2ID), (02M JUL83)(AN/UYQ-3A); SUPPORT EQUIPMENT, B-52 AIRCRAFT; RADAR SET, AN/TPN-18; AIRCRAFT, SOF (AC-130H, MC-130H, EC-130E, HC-130); COMMUNICATIONS TERMINAL, SATELLITE AN/GSC-39(V)1; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE A
LUBRICATIONSOLUBLE LUBRICANT
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NOMINAL THREAD SIZE0.164 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIALSTEEL CORROSION RESISTING NUT
WIDTH ACROSS FLATS0.336 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
10501Interchangeable
interchangeable cross-reference
interchangeable
61114Interchangeable
interchangeable cross-reference
interchangeable
T-57162Interchangeable
interchangeable cross-reference
interchangeable
AN515C8R16Interchangeable
interchangeable cross-reference
interchangeable
CAV70-8-16BInterchangeable
interchangeable cross-reference
interchangeable
832X1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21083C8?
MS21083C8 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace MS21083C8?
There are 29 known substitutes for MS21083C8: 10501, 61114, T-57162 and 26 more. Substitute compatibility should be verified for your specific system.
Is MS21083C8 still available?
MS21083C8 is currently cancelled.
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