Secure Ordering: +1 (757) 528-8028
NationalStockNumber.info
NationalStockNumber.INFO

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

Airframe Bolt, Drilled Head AN4H21A

Description:

Length: 2-5/32", grip: 1-11/16", thread: 1/4-28, cadmium plated steel, undrilled shank, drilled head

AN4H21A Details

National Stock Number (NSN) 5306-00-180-3360
Alternate Part Number N/A
Federal Supply Class (FSC) 5306
Unit of Measure (UOM) 10 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length 0.468 inches
Fastener Length 2.156 inches
Head Style Hexagon
Head Height Between 0.140 inches and 0.172 inches
Width Between Flats Between 0.428 inches and 0.440 inches
Hole Diameter 0.046 inches
Thread Diameter 0.250 inches
Grip Length 1.688 inches
Hole Quantity 1
Hole Type Drilled
Features Provided Finished head
Thready Qty Per Inch (tpi) 28
Min. Tensile Strength (psi) 125000 pounds per square inch
Hardness Rating 26.0 rockwell c and 32.0 rockwell c
Hole Configuration Style Hexagon flats
Material Steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140
Material Specification Mil-b-6812 military specification all material responses
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 type 2 cl 3 federal specification all treatment responses
Thread Series Designator Unf

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.

Qty:
Email Address:
Phone Number:
Your name:
Company:
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