Delron Inserts 604 Series – Flared Threaded with Non-Metallic Lock
Style Selection
Table 1
| Size | Thread Per MIL-S-8879 | A Head Dia. | B Sleeve Dia. | C Flare Dia. |
| 0 | .1120-40 UNJC-3B | .375 | .250 | .148 |
| 1 | .1380-32 UNJC-3B | .500 | .312 | .174 |
| 2 | .1640-32 UNJC-3B | .562 | .375 | .225 |
| 3 | .1900-32 UNJF-3B | .562 | .375 | .225 |
| 4 | .2500-28 UNJF-3B | .687 | .500 | .290 |
| 5 | .3125-24 UNJF-3B | .750 | .562 | .356 |
| 6 | .3750-24 UNJF-3B | .875 | .625 | .418 |
Part Number Selection
Consult Rosán for availability of optional materials, finishes and sizes.
Example :
Note:
- Tolerances, unless otherwise specified: .xxx ± .010; Angles ± 2°.
Typical Assembly
Typical Series 604, Flared Threaded with Non- Metallic Lock; Body and Sleeve; assembly installed in honeycomb sandwich
panel. Both top and bottom skins are gripped between body and flared sleeve of insert for maximum structural strength.
Note: For installation and tooling information, see pages 68 and 69.
Body and Sleeve Dash Number Selection
Sleeve Dash Number
Round down to the nearest hundredth of an inch of the panel core thickness (See Fig. 1).
Example: .489 Core Thickness, drop last digit to read -48.
Body Dash Number
Select Body Number from Table 2 according to Overall Panel Thickness.
Example: Overall Panel Thickness of .524 = F52 Body Number.
Fig. 1
Notes:
- Flush Head styles are not recommended for panel skin thicknesses greater than .030.
- Non-Flush Head styles are to be used only with minimum panel skin thickness of .030.
Table 2
