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PartsTable / COMPONENT / 5215617R1
5215617R1 ✓ 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: FIBER LOCKING INSERT, nut_style: HEXAGON, nut_height: 0.562 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNEF, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-893-5993, 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
5215617R1
NSN: 5310-00-893-5993
FSC: 5310
CAGE: 82934 — DEERE JOHN HORICON WORKS (USA)
SPECIFICATIONS
materialFIBER LOCKING INSERT
nut_styleHEXAGON
nut_height0.562 INCHES NOMINAL IN
thread_class3B
thread_seriesUNEF
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
width_across_flats1.437 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
thread_quantity_per_inch20
NSN5310-00-893-5993
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5215617R1 · 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
•
MATERIAL: FIBER LOCKING INSERT
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 20
•
THREAD SERIES: UNEF
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
WIDTH ACROSS FLATS: 1.437 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALFIBER LOCKING INSERT
MATERIALSTEEL NUT
THREAD CLASS3B
THREAD QUANTITY PER INCH20
THREAD SERIESUNEF
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
WIDTH ACROSS FLATS1.437 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.000 INCHES IN
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
4561Interchangeable
interchangeable cross-reference
interchangeable
DRA72199Interchangeable
interchangeable cross-reference
interchangeable
128403032Interchangeable
interchangeable cross-reference
interchangeable
50487Interchangeable
interchangeable cross-reference
interchangeable
72199Interchangeable
interchangeable cross-reference
interchangeable
90-700-016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5215617R1?
5215617R1 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 5215617R1?
There are 8 known substitutes for 5215617R1: 4561, DRA72199, 128403032 and 5 more. Substitute compatibility should be verified for your specific system.
Is 5215617R1 still available?
5215617R1 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