PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 31393F
31393F ✓ 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,CAP is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OVERALL, nut_style: CAP, nut_height: 1.375 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-466-4362, 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
31393F
NSN: 5310-00-466-4362
FSC: 5310
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
nut_styleCAP
nut_height1.375 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats1.062 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES IN
bearing_surface_typeFLAT OR WASHER FACED
thread_quantity_per_inch16
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-466-4362
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 31393F · 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
•
NUT STYLE: CAP
•
BEARING SURFACE TYPE: FLAT OR WASHER FACED
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
THREAD QUANTITY PER INCH: 16
•
NUT HEIGHT: 1.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLECAP
BEARING SURFACE TYPEFLAT OR WASHER FACED
THREAD SERIESUNF
NOMINAL THREAD SIZE0.750 INCHES IN
THREAD QUANTITY PER INCH16
NUT HEIGHT1.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1212 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
CS65Interchangeable
interchangeable cross-reference
interchangeable
0604405Interchangeable
interchangeable cross-reference
interchangeable
428040Interchangeable
interchangeable cross-reference
interchangeable
565Interchangeable
interchangeable cross-reference
interchangeable
554216Interchangeable
interchangeable cross-reference
interchangeable
M-1527Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 31393F?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 31393F?
31393F is a NUT,PLAIN,CAP.
What parts can replace 31393F?
There are 31 known substitutes for 31393F: CS65, 0604405, 428040 and 28 more. Substitute compatibility should be verified for your specific system.
Is 31393F still available?
31393F is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 31393F

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026