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Technical Data Sheet
33798S2 ✓ 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,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.266 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-011-5729, 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
33798S2
NSN: 5310-00-011-5729
FSC: 5310
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.266 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.312 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch24
material_document_and_classificationQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-011-5729
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 33798S2 · 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 TYPE: CHAMFERED OR WASHER FACED
THREAD SERIES: UNF
NOMINAL THREAD SIZE: 0.312 INCHES IN
THREAD QUANTITY PER INCH: 24
THREAD CLASS: 2B
SURFACE TREATMENT: PHOSPHATE OVERALL
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD SERIESUNF
NOMINAL THREAD SIZE0.312 INCHES IN
THREAD QUANTITY PER INCH24
THREAD CLASS2B
SURFACE TREATMENTPHOSPHATE OVERALL
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
224999-002Interchangeable
interchangeable cross-reference
interchangeable
115729-017Interchangeable
interchangeable cross-reference
interchangeable
0SM202-2Interchangeable
interchangeable cross-reference
interchangeable
0117Interchangeable
interchangeable cross-reference
interchangeable
CT-5047-2Interchangeable
interchangeable cross-reference
interchangeable
521AD0036Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33798S2?
33798S2 is a NUT,PLAIN,HEXAGON.
What parts can replace 33798S2?
There are 13 known substitutes for 33798S2: 224999-002, 115729-017, 0SM202-2 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 33798S2?
33798S2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-011-5729. This indicates validated use in U.S. government and defense supply chains.
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