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D1835 Series

Delron Inserts D1835 Series — NAS 1835 Equivalent

Style Selection

All styles feature .032 inch minimum radial float.

 

Table 1

Size Thread Size Per MIL-S-8879 A Head Dia. B Dia. C D Dia. J L  <4> Min.
08 .1640-32 UNJC .685 .403 .16 .535 .500 .37
3 .1900-32 UNJF .685 .403 .16 .535 .500 .43
4 .2500-28 UNJF .748 .570 .18 .725 .591 .56
5 .3125-24 UNJF .810 .617 .20 .790 .655 .75
6 .3750-24 UNJF .873 .700 .22 .855 .718 .81

 

Notes:

  1. Burrs caused by machining of potting holes or slots permissible under flange.
  2. Adhesive backed installation tab, D1837, shall be furnished with each insert. See page 44.
  1. Plated or solid film lubricant is recommended on self-locking CRES inserts.

<4> Maximum bolt engagement should not exceed “L” minus .060. See Table 1.

<5> Self-locking, 303 CRES inserts without plating or lubricant will be tested using a silver plated bolt or screw.

  1. Tolerances, unless otherwise specified: .xxx ± .010; Angles ± 2°.

 

Typical Assembly

Typical Series D1835 Floating Nut Insert (NAS 1835 equivalent); installed in honeycomb sandwich panel. Insert is held in place by a cured epoxy compound.

Note:  For installation and tooling information, see pages 44 and 45.

Part Number Selection
Consult Rosán for availability of optional materials, finishes and sizes.

Example:

 

Materials and Finishes

Carbon Steel Per ASTM-A-108 or FED STD 66, Ultimate  Tensile  Strength of 85 KSI, Minimum. Cadmium Plate per QQ-P-416, Type II, Class 2.
Aluminum Housing:  2024-T4  or T351 Aluminum Alloy per QQ-A-225/6, Anodize  per MIL-A-8625, Type I.

Cap: 3003H14  Aluminum Alloy per QQ-A-250/2, Anodize per MIL-A-8625 Type I.

CRES 303 CRES per ASTM-A-582, Passivate per QQ-P-35,Type II.

 

 

 

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