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Technical Data Sheet
PartsTable / COMPONENT / FF-N-836TYV
FF-N-836TYV ✓ 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,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 260 OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.406 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), 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 5310-00-012-5016, 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
FF-N-836TYV
NSN: 5310-00-012-5016
FSC: 5310
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 260 OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height0.406 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
width_across_flats0.562 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch16
nondefinitive_spec/std_data3 TYPE AND 14 STYLE
NSN5310-00-012-5016
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FF-N-836TYV · 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 SERIES: UNF
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
NUT STYLE: CASTELLATED, HEXAGON
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
NUT HEIGHT: 0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNF
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
NUT STYLECASTELLATED, HEXAGON
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN
THREAD CLASS2B
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
34567Interchangeable
interchangeable cross-reference
interchangeable
T-8-3-100Interchangeable
interchangeable cross-reference
interchangeable
37115Interchangeable
interchangeable cross-reference
interchangeable
31310Interchangeable
interchangeable cross-reference
interchangeable
322235Interchangeable
interchangeable cross-reference
interchangeable
R4303SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-N-836TYV?
FF-N-836TYV is a NUT,PLAIN,CASTELLATED,HEXAGON.
What parts can replace FF-N-836TYV?
There are 22 known substitutes for FF-N-836TYV: 34567, T-8-3-100, 37115 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-N-836TYV?
FF-N-836TYV is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-5016. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026