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FF-N-836 TY2ST13SZ 1/4 — Technical Data Sheet

✓ 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: 0.188 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, hardness_rating: 38.0 ROCKWELL C NOMINAL AND 78.0 ROCKWELL B NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-00-550-1469, 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 TY2ST13SZ 1/4
NSN: 5310-00-550-1469
FSC: 5310
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.188 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
hardness_rating38.0 ROCKWELL C NOMINAL AND 78.0 ROCKWELL B NOMINAL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats0.438 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch28
NSN5310-00-550-1469
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FF-N-836 TY2ST13SZ 1/4 · 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
•
SURFACE TREATMENT: ZINC OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD CLASS: 2B
•
NUT HEIGHT: 0.188 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 28
•
THREAD SERIES: UNF
•
HARDNESS RATING: 38.0 ROCKWELL C NOMINAL AND 78.0 ROCKWELL B NOMINAL
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD CLASS2B
NUT HEIGHT0.188 INCHES NOMINAL IN
THREAD QUANTITY PER INCH28
THREAD SERIESUNF
HARDNESS RATING38.0 ROCKWELL C NOMINAL AND 78.0 ROCKWELL B NOMINAL
NOMINAL THREAD SIZE0.250 INCHES IN
BEARING SURFACE TYPEFLAT
NUT STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
131-1726-01InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SA57368InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DWG716062-038InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7603InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
401-3504InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B78217InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-N-836 TY2ST13SZ 1/4?
FF-N-836 TY2ST13SZ 1/4 is a NUT,PLAIN,HEXAGON.
What parts can replace FF-N-836 TY2ST13SZ 1/4?
There are 23 known substitutes for FF-N-836 TY2ST13SZ 1/4: 131-1726-01, SA57368, DWG716062-038 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-N-836 TY2ST13SZ 1/4?
FF-N-836 TY2ST13SZ 1/4 is cataloged in the Federal Logistics Information System under NSN 5310-00-550-1469. 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: September 2026