Delron Inserts D1833 Series – NAS 1833
Equivalent
Style Selection
Table 1
| Size | PThread Size 9 | A Head Dia. | B Dia. | C | D Dia. | J | L |
| 06 | .1380-32 UNJC | .560 | .300 | .12 | .375 | .367 | .250 |
| 08 | .1640-32 UNJC | .560 | .300 | .12 | .375 | .367 | .250 |
| 3 | .1900-32 UNJF | .560 | .300 | .12 | .375 | .367 | .250 |
| 4 | .2500-28 UNJF | .685 | .375 | .14 | .440 | .467 | .312 |
| 5 | .3125-24 UNJF | .685 | .475 | .16 | .500 | .467 | .312 |
| 6 | .3750-24 UNJF | .841 | .500 | .22 | .550 | .591 | .375 |
Notes:
- Burrs caused by machining of potting holes or slots permissible under
- Adhesive backed installation tab, D1837, shall be furnished with each See page 44.
- Plated or solid film lubricant is recommended on self-locking CRES
<4> Minimum thread “H”, where length permits, shall be 2 diameters. Lengths shorter than 2 diameters will be
threaded the entire length.
<5> Self-locking, 303 CRES inserts without plating or lubricant will be tested using a silver plated bolt or
screw.
- Tolerances, unless otherwise specified: .xxx ± .010; Angles ± 2°.
Typical Assembly
Typical Series D1833 Blind Thru-Threaded Insert (NAS 1833 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:
Part Number Example:
1. Requirements:
.2500-28 Thread size, Nonself-Locking, Thru- Thread 303 CRES with Silver Plating, and an overall panel thickness of .450
inch.
Part Number:
2.Requirements:
.3750-24 Thread size, Self-Locking, Thru- Thread, Carbon Steel, and an overall panel thickness of .825 inch.
Part Number:
