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PartsTable / COMPONENT / FFN836GPBTYPE4STYLE3GRADEA
FFN836GPBTYPE4STYLE3GRADEA ✓ 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: 0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), hardness_rating: 103.0 BRINELL STANDARD MINIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-616-1738, 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
FFN836GPBTYPE4STYLE3GRADEA
NSN: 5310-00-616-1738
FSC: 5310
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
hardness_rating103.0 BRINELL STANDARD MINIMUM
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.546 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch18
NSN5310-00-616-1738
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FFN836GPBTYPE4STYLE3GRADEA · 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
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
HARDNESS RATING: 103.0 BRINELL STANDARD MINIMUM
•
THREAD QUANTITY PER INCH: 18
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: CADMIUM OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE0.312 INCHES IN
HARDNESS RATING103.0 BRINELL STANDARD MINIMUM
THREAD QUANTITY PER INCH18
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATAB GROUP AND 4 TYPE AND 3 STYLE
NUT HEIGHT0.280 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
193227Interchangeable
interchangeable cross-reference
interchangeable
FFN836GPBTYPE4STYLE3GRADEAInterchangeable
interchangeable cross-reference
interchangeable
FFN836Interchangeable
interchangeable cross-reference
interchangeable
FFS836Interchangeable
interchangeable cross-reference
interchangeable
N-4-3-21Interchangeable
interchangeable cross-reference
interchangeable
485847Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFN836GPBTYPE4STYLE3GRADEA?
FFN836GPBTYPE4STYLE3GRADEA is a NUT,PLAIN,HEXAGON.
What parts can replace FFN836GPBTYPE4STYLE3GRADEA?
There are 6 known substitutes for FFN836GPBTYPE4STYLE3GRADEA: 193227, FFN836GPBTYPE4STYLE3GRADEA, FFN836 and 3 more. Substitute compatibility should be verified for your specific system.
Is FFN836GPBTYPE4STYLE3GRADEA still available?
FFN836GPBTYPE4STYLE3GRADEA is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026