S9407-AB-HBK-010 Datasheet, PDF (48/276 Pages) Glenair, Inc. – HANDBOOK OF SHIPBOARD ELECTROMAGNETIC SHIELDING PRACTICES

S9407-AB-HBK-010, Rev. 2
4.4.2 Dimensions
All dimensions and tolerances specified on the drawings listed in table 4-1 are mandatory
except as noted in paragraph 4.8 (Deviations).
4.4.2.1 Minimum Wall Thickness
The minimum wall thickness for the body of the GR2120, GR2123, GR2124, and GR2125
fittings shall be 1/16 inch.
4.5 MATERIALS
4.5.1 Components Material
All components of the fittings, except for the GR2126 end-fitting and the GR2129 ferrule, shall
be made of mild steel, AISI type B1113, or any AISI-type low-carbon, hot- or cold-rolled steels, in
accordance with FED-STD-66, having chemical compositions within the following ranges:
Carbon
Manganese
Phosphorus
Sulphur
Lead
(C)
(Mn)
(P)
(S)
(Pb)
0.08% to 0.25% max
0.25% to 1.15% max
0.04% to 0.12% max
0.05% to 0.35% max
0.15% to 0.35% max
4.5.2 End-Fitting (GR2126) and Ferrule (GR2129) Material
The GR2126 end-fitting and GR2129 ferrule shall be made of corrosion-resisting steel
(CRES), 300 series, in accordance with QQ-S-763.
4.5.3 Conduit Coupling (GR2127) Material
The GR2127 conduit coupling shall be made of low-carbon steel (see paragraph 4.5.1).
4.5.4 Joining Material
Any joining material shall have the basic alloy content of the parts being joined. Brazing
material shall be in accordance with QQ-B-650 for FS class joints.
4.5.5 O-ring Gasket Material
O-ring gaskets that are part of fittings shall be in accordance with MIL-P-5516, Class B.
4.5.6 Isolator Adapter (GR2130) Material
The GR2130 isolator adapter shall be made of nylon (see table 11, figure 4-12).
4-3