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PartsTable / COMPONENT / FF-N-836 TY2ST13
FF-N-836 TY2ST13 ✓ 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 NOMINAL IN, thread_class: 2B, thread_series: UNF, hardness_rating: 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-189-8544, 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-836 TY2ST13
NSN: 5310-00-189-8544
FSC: 5310
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.218 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
hardness_rating69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats0.562 INCHES NOMINAL IN
nominal_thread_size0.312 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch24
NSN5310-00-189-8544
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FF-N-836 TY2ST13 · 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 CLASS: 3B
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD QUANTITY PER INCH: 32
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY THD CLASS RQMT
•
NUT STYLE: HEXAGON
•
MATERIAL: COPPER ALLOY 482 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH32
NOMINAL THREAD SIZE0.164 INCHES IN
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY THD CLASS RQMT
NUT STYLEHEXAGON
MATERIALCOPPER ALLOY 482 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT HEIGHT0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
B18.6.3Interchangeable
interchangeable cross-reference
interchangeable
FF-N-836 TY2ST13Interchangeable
interchangeable cross-reference
interchangeable
FF-N-836Interchangeable
interchangeable cross-reference
interchangeable
ANSI-B18.6.3Interchangeable
interchangeable cross-reference
interchangeable
MILS933TYPEAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-N-836 TY2ST13?
FF-N-836 TY2ST13 is a NUT,PLAIN,HEXAGON.
What parts can replace FF-N-836 TY2ST13?
There are 5 known substitutes for FF-N-836 TY2ST13: B18.6.3, FF-N-836 TY2ST13, FF-N-836 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-N-836 TY2ST13?
FF-N-836 TY2ST13 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-189-8544. 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