A-A-52524/10
2.2 Design and construction. The seals (classes 1, 2, and 3 of CID A-A-52524) shall be designed
and constructed in accordance with figure 1.
First
A
B1
B2
Dash
Shaft
Seal
Housing
C
Number
Dia
O.D.
Bore
Width
(Ref) + .020
(Sizes)
(Nom)
(1)
11
1.88
2.786
2.782
.688
12
2.25
3.256
3.251
.688
NOTES:
1. Dimensions are in inches. Tolerances are + .002 for seal outside diameters (O.D.) up
to and including 2.000 inches. Tolerances are +.003, -.002 for seal O.D. over 2.000
inches and up to and including 3.000 inches. Tolerances are +.004, -.002 for seal O.D.
over 3.000 inches and up to 4.000 inches.
2. The part number consists of the CID designator, the CID number, the specification
sheet number and 2 dash numbers (see paragraph 6.3 of A-A-52524). The first dash
number indicates the size. The second dash number indicates the class. EXAMPLE:
A52524/10-11-3 indicates size number 11 with class 3 sealing member.
Figure 1. Seal design, construction, and part number.
2
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