Part No. Style Ref NATO Stock Number Maximum Height
(Inches)		 I/D Dimension
(Inches)		 O/D Dimension
(Inches)		 Load
J.GR/110 WST 1 5310-99-014-2772 0.035 0.198
0.193		 0.290
0.280		 6 LBS
J.GR/111 WST 2 5310-99-014-2773 0.045 0.265
0.255		 0.500
0.490		 10 LBS
J.GR/112 WST 3 5310-99-014-2774 0.050 0.325
0.315		 0.570
0.560		 15 LBS
J.GR/113 WST 4 5310-99-014-2775 0.050 0.395
0.385		 0.665
0.655		 15 LBS
J.GR/114 WST 5 5310-99-014-2776 0.055 0.520
0.510		 0.770
0.760		 15 LBS
J.GR/115 WST 6 5310-99-014-2777 0.070 0.780
0.770		 1.255
1.245		 30 LBS

Material:
Beryllium Copper to B.S. 2870 heat treated to the most exacting conditions to 360/MIN V.P.N.

Finish:
Electro - Tinned to D.T.D. 924

Inspection Test:
(Ref:- DEF-5228 15.2 (iii) After one complete closure, the height will not be less than 80% of the original height. After a further 20 closures in quick succession the height will not be less than 75% of the original height. With the load applied the overall height will be between 35% to 50% of the original height.