Item # D1833C5-312, D1833 Series Delron® Inserts - Molded-In, Thru-Threaded, Self-Locking & Non Self-Locking On Howmet Aerospace

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Unit of Measure

Series	N/A D1833 Series: Potted-In Panel Insert
Type	N/A Potted-In
Potted-In Style	N/A Potted-In
Material	N/A 303 CRES per ASTM-A582/A582M
Standard Finish	N/A Passivate per AMS2700, Metod 1, Class 4
Thread Lock	N/A Yes
Thread Type	N/A Self-Locking
L - Min. Length of Insert¹	N/A 0.312 in
A - Diameter +.000 -.010	N/A 0.685 in
B - Body Diameter	N/A 0.470 in
C	N/A 0.160 in
D - Diameter	N/A 0.500 in
E - Diameter	N/A 0.315-0.322 in
H - Min	N/A 0.625 in
J - Basic	N/A 0.467 in
K - Min	N/A 0.360 in
Head Thickness	N/A 0.060 in
Installation Hole Size	N/A 0.686-0.691 in
Installation Tab No.	N/A T6
Aligning Tool	N/A G6
J - Tool	N/A 0.467 in
A - Tool	N/A 0.900 in
Thread	N/A 0.3125-24 UNJF

N/A

<2> Finish:
2.1 Optional Finish: Solid Film lubricant per AS5272, Type 1, applied to Thread only.
2.2 Plating or Dry Film lubricant is recommended on Self-Locking CRES Inserts.

<3> Threads:
3.1 Shall be in accordance with AS8879
3.2 Minimum Thread when Length Permits shall be 2x Diameter of Thread.
3.3 Minimum "Go" Thread gage penetration shall be one half revolution before lubrication. Minimum bolt thread penetration shall be three quarter revolution after lubrication.

<4> Length Requirements:
4.1 Length of Inserts shall by defined by a three digit Dash Number in thousandths of an inch.

<5> Locking Torque:
5.1 Shall be in accordance with NASM25027, except self-locking corrosion resistant steel insert without plating or lubrication will be tested using a silver plated bolt or screw.
5.2 Locate locking pallet no closer than 10º from edge of either potting hole.

Burrs caused by drilling potting holes permissable under flange.
An adhesive backed installation tab (plastic or aluminum) shall be furnished with each insert. When tab material preference is desired procuring activity shall specify.

<8> External configuration optional in this area for short Lengths through 0.375 inch.
<9> Centerline of thread lock when applicable.
<10> Potting and vent holes or slots (manufacturer's option).

¹ The length of the insert is specified by a dash number which defines .125” increments. Insert length must be a minimum of .040” less than the depth of panel core (see Fig. 1).

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