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Unit of Measure

Series

 N/A 400SF

Type

 N/A Potted-In

Potted-In

 N/A Snap-In

Head Style

 N/A Flush

Material

 N/A 303 CRES per AMS5640, ASTM-A-581/582, Passivate per AMS2700, Flash Silver Plate per QQ-S-365 on Self-Locking Nuts Only

Thread Lock

 N/A Yes
Insert Length (L - Max)1
N/A 0.935 in 400-Series-Panel-Thickness_SF_text.jpg

Min. Full Thread Length

 N/A 0.750 in

Thread Type

 N/A Crimp Lock per MIL-N-25027

Nut Material

 N/A 303 CRES per AMS5640, ASTM-A-581/582, Passivate per AMS2700, Flash Silver Plate per QQ-S-365 on Self-Locking Nuts Only

Nut Finish

 N/A MoS2 Dry Film Lubricant

Slots

 N/A Required

A - Head Diameter

 N/A 0.968 in

B - Max Diameter

 N/A 0.926 in

C - Diameter

 N/A 0.515 in

D

 N/A 0.170 in

Installation Drill Diameter

 N/A 0.937-0.942 in

T - Skin Thickness

 N/A 0.060-0.069 in

Thread

 N/A 0.3750-24 UNJF

N/A

  • Body Material and Finish: 2024-T4 or T351 Aluminum Alloy per AMS-QQ-A225/6, Alodine per MIL-C-5541
  • Cap Material and Finish: Brass, Cadmium Plated or Aluminum, Anodized at Manufacturer´s Option
  • Burrs permissible at knurled areas and underside of head at slots.
  • All inserts have a 0.031 in minimum radial float.
  • Consult factory for availability of optional materials, finishes and sizes.
  • 1 Select Length Dash number based on the minimum full thread length required by the application. Insert length “L” must be a minimum of .040” less than the depth of panel core (see Fig. 1)