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PartsTable / COMPONENT / K8113
K8113 ✓ 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 TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include width: 4.125 INCHES NOMINAL IN, length: 4.125 INCHES NOMINAL IN, material: IRON CAST, nut_style: SLOTTED, HEXAGON, nut_height: 1.250 INCHES NOMINAL IN, body_length: 0.880 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-189-4399, 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
K8113
NSN: 5310-00-189-4399
FSC: 5310
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
width4.125 INCHES NOMINAL IN
length4.125 INCHES NOMINAL IN
materialIRON CAST
nut_styleSLOTTED, HEXAGON
nut_height1.250 INCHES NOMINAL IN
body_length0.880 INCHES MAXIMUM IN
thread_class2B
corner_radius0.938 INCHES NOMINAL IN
hole_diameter0.469 INCHES NOMINAL IN
thread_seriesUN
body_thickness1.125 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
NSN5310-00-189-4399
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: K8113 · 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
•
NOMINAL THREAD SIZE: 2.000 INCHES IN
•
THREAD SERIES: UN
•
BEARING SURFACE TYPE: FLAT
•
THREAD QUANTITY PER INCH: 12
•
THREAD CLASS: 2B
•
WIDTH ACROSS FLATS: 3.125 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE2.000 INCHES IN
THREAD SERIESUN
BEARING SURFACE TYPEFLAT
THREAD QUANTITY PER INCH12
THREAD CLASS2B
WIDTH ACROSS FLATS3.125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1035 OVERALL
NUT STYLESLOTTED, HEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
58171017Interchangeable
interchangeable cross-reference
interchangeable
2012742Interchangeable
interchangeable cross-reference
interchangeable
23026Interchangeable
interchangeable cross-reference
interchangeable
17046Interchangeable
interchangeable cross-reference
interchangeable
1841 6X3/16X1Interchangeable
interchangeable cross-reference
interchangeable
1841Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K8113?
K8113 is a TRANSFORMER,POWER.
What parts can replace K8113?
There are 23 known substitutes for K8113: 58171017, 2012742, 23026 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K8113?
K8113 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-189-4399. 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