Secure Ordering: +1 (757) 528-8028

Worldwide distributor of NSN parts and consumables located in the USA.

Self Locking Nut NAS1726-4E


Thread: 1/4-28, self locking nut with captive washer

NAS1726-4E Details

National Stock Number (NSN) 5310-01-139-3286
Alternate Part Number N/A
Federal Supply Class (FSC) 5310
Unit of Measure (UOM) 10 /Ea.
Thread Class 2B
Thread Direction Right-hand
Locking Feature Prevailing torque all metal design
Washer Outside Diameter 0.460 inches
Lubrication Soluble lubricant
Overall Height Between 0.271 inches and 0.291 inches
Nut Style Flat with turned up edge
Nut Counterbore Depth 0.072 inches and 0.087 inches
Width Across Flats Between 0.274 inches and 0.284 inches
Tempurature Rating 450.0 degrees Fahrenheit
Thread Series Unjf
Thready Qty Per Inch (tpi) 28
Hardness Rating Between 36.0 Rockwell c and 45.0 Rockwell c
Thread Size 0.250 inches
Material Steel comp 8740
Surface Treatment Cadmium
Specification Data 80205-NAS1726 professional/industrial association standard

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Email Address:
Phone Number:
Your name:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping