NSN 5310-00-776-3830 NIIN — Self-locking Barrel Nut

National Stock number : 5310-00-776-3830

Self-locking Barrel Nut


Available Quantity 40
Available Conditions NS NE
Classification Nuts and Washers - FSC 5310
Schedule B 7318160000
Stock Check Date 05/01/2026
Part-Number.info Quality System
  •   ISO 9001:2015 + AS9120B Certifed
  •   Audited supply chain
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   HAZMAT Certified
  •   ITAR and DDTC Registered
AS9120 Certified Supplier

Product Properties


Description

Self-locking Barrel Nut

Thread Class

3b

Thread Direction

RIGHT-Hand

Locking Feature

prevailing torque with nonmetallic insert

Counterbore Diameter

0.375in. nut

Nut Style

NON-Floating SELF-Locking barrel

Nut Diameter

0.550in. and 0.553in.

Nut Length

0.813in. ⁓53/64"

Barrel Height

0.340in.

Nut Height

0.391in. and 0.421in. ⁓27/64"

Nut Counterbore Depth

0.071in. nut

Temp Rating

350.0 deg fahrenheit

Thread Series

unjf

Thread Quantity Per Inch

24

Hardness Rating

26.0 rockwell c and 32.0 rockwell c

Nominal Thread Size

0.312in. ⁓5/16"

Material

steel comp 4130 nut or steel comp 4340 nut or steel comp 8630 nut

Material Document And Classification

sae assn std 3rd material response nut or sae assn std 4th material response nut or sae assn std 5th material response nut

Surface Treatment

cadmium except insert

Surface Treatment Document And Classification

QQ-P-416, ty 2, cl 3 fed spec single treatment response except insert

Pricing and Availability Quote

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National Stock Number
5310-00-776-3830
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