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Technical Data Sheet
PartsTable / COMPONENT / 58E57
58E57 ✓ 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: STEEL COMP 1335 OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.453 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, hardness_rating: 23.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-384-8643, 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
58E57
NSN: 5310-00-384-8643
FSC: 5310
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1335 OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height0.453 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
hardness_rating23.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
width_across_flats0.625 INCHES NOMINAL IN
nominal_thread_size0.438 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch20
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-384-8643
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 58E57 · 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
•
NUT STYLE: CASTELLATED, HEXAGON
•
THREAD CLASS: 3B
•
NUT HEIGHT: 0.453 INCHES NOMINAL IN
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL COMP 1335 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNF
NUT STYLECASTELLATED, HEXAGON
THREAD CLASS3B
NUT HEIGHT0.453 INCHES NOMINAL IN
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1335 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD QUANTITY PER INCH20
BEARING SURFACE TYPEWASHER FACED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
1001-54Interchangeable
interchangeable cross-reference
interchangeable
1047690Interchangeable
interchangeable cross-reference
interchangeable
CU782APN134Interchangeable
interchangeable cross-reference
interchangeable
763710-001Interchangeable
interchangeable cross-reference
interchangeable
FX58Interchangeable
interchangeable cross-reference
interchangeable
102498Interchangeable
(no Return) (end User) Mj Projectdirector Add-on L 20-49U Acct Co-Ter
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 58E57?
58E57 is a NUT,PLAIN,CASTELLATED,HEXAGON.
What parts can replace 58E57?
There are 9 known substitutes for 58E57: 1001-54, 1047690, CU782APN134 and 6 more. Substitute compatibility should be verified for your specific system.
Is 58E57 still available?
58E57 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