PartsTable
Technical Data Sheet
Download PDF

31CNNEOZ — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

31CNNEOZ: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT, thread_direction: RIGHT-HAND, nominal_thread_size: 0.3125 INCHES IN, end_item_identification: 2330-01-587-7978;TRAILER,FLAT BED, thread_quantity_per_inch: 18, part_name_assigned_by_controlling_agency: NUT,LOCKING,NYLON INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-595-5404, 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
31CNNEOZ
NSN: 5310-01-595-5404
FSC: 5310 — Nuts and Washers
CAGE: 30DZ6 — GLOBE TRAILER MANUFACTURING, INC DBA GLOBE TRAILERS (USA)
SPECIFICATIONS
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
nominal_thread_size0.3125 INCHES IN
end_item_identification2330-01-587-7978;TRAILER,FLAT BED
thread_quantity_per_inch18
part_name_assigned_by_controlling_agencyNUT,LOCKING,NYLON INSERT
NSN5310-01-595-5404
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 31CNNEOZ · 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 DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.3125 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
THREAD QUANTITY PER INCH: 18
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.3125 INCHES IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT,LOCKING,NYLON INSERT
END ITEM IDENTIFICATION2330-01-587-7978;TRAILER,FLAT BED
THREAD QUANTITY PER INCH18
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 31CNNEOZ?
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 31CNNEOZ?
31CNNEOZ is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 31CNNEOZ?
31CNNEOZ is cataloged in the U.S. Government catalog under NSN 5310-01-595-5404. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 31CNNEOZ

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.