Item # D1836-04-07, D1836 Series Delron® Inserts - Molded-In, Blind Thread, Self-Locking & Non Self-Locking, Lightweight (Inch) On Howmet Aerospace

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Unit of Measure

Series	N/A D1836 Series: Potted-In Panel Insert
Type	N/A Potted-In
Potted-In Style	N/A Potted-In
Material	N/A Carbon Steel per ASTM A108,ASTM-A576 or material composition per AIR 4127
Standard Finish	N/A Cadmium Plate per AMS-QQ-P-416, Class 2, Type II
Thread Lock	N/A Yes
Thread Type	N/A Self-Locking
L - Min Length of Insert¹	N/A 0.217 in
Tab	N/A Supply with PT () Plastic Tab
A - Diameter +.000 -.010	N/A 0.451 in
B - Body Diameter	N/A 0.250 in
C	N/A 0.120 in
E	N/A 0.260 in
F - Max	N/A 0.450 in
H - Min	N/A 0.187 in
J - Basic	N/A 0.358 in
K - Min	N/A 0.251 in
Head Thickness	N/A 0.060 in
Installation Hole Size	N/A 0.452-0.457 in
Installation Tab No.	N/A PT2 or T2
Aligning Tool	N/A G2
J - Tool	N/A 0.358 in
A - Tool	N/A 0.900 in
Thread	N/A 0.1120-40 UNJC

N/A

Plating or solid film lubricant is recommended on self-locking cres Inserts.
<2> Threads: Minimum thread „H“ in short Lengths. Where length permits shall be 2x diameter.
<3> Inch thread per AS8879. Metric thread per LN9163 or FED-STD-H28.
<4> Shank deformed to provide thread lock for carbon steel and cres parts.
<5> Locate locking pallet no closer than 10º from edge of either potting slot.
<6> Locking torque: Inch thread per NASM25027, except self-locking cres insert without plating or lubrication will be tested using a silver plated bolt or screw. Metric thread per NA0009.
<7> Burrs caused by machining potting permissible under flange.
Select a length which will allows a minimum of 0.040 clearance between bottom of Insert and inside surface of bottom skin.
Minimum "Go" thread gage penetration shall be one half revolution before lubrication. Minimum bolt thread penetration shall be three quarter revolution after lubrication.
Maximum bolt engagement should not exceed „L“ minus 0.060 (1.5) .
An adhesive backed installation tab (aluminum or plastic) shall be furnished with each insert. When tab material preference is desired procuring activity shall specify.
<13> Minimum length which may be specified
All diameters shall be within 0.010 circular run out to datum.
Dimensional limits apply after plating and prior to solid film lube.
<16> External configuration optional in this area for short lengths through 0.375.

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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