TM 1-1520-238-23
Change 8
2-390.13
2.107C. VERTICAL STABILIZER SPAR BOX BUSHING REPLACEMENT (AVIM) – continued
TABLE 1-1 Vertical Stabilizer Spar Box Bushing Replacement Data
Location
Size
PN
Mating bore dia
(Note 1)
Bushing OD
(Note 1)
Bushing ID
(Notes 1 & 3)
Foot-
(Note 2)
min
max
min
max
min
max
note
Basic
7–311122653
1.3490
1.3495
1.3500
1.3505
4
A
OVS 1
HS 5500–3
1.3589
1.3601
1.3606
1.3609
1.2050
1.2055
5
OVS 2
HS 5500–4
1.3745
1.3757
1.3762
1.3765
5
NOTE
1. All dimensions in inches.
2. OVS 1– first oversize, OVS 2– second oversize.
3. Minimum bushing wall thickness after final machine ream not to be less than 0.050 INCH.
4. Bushings must be coaxial to each other after installation; therefore the opposite facing bushing must
be replaced.
5. Interference fit required: 0.0005/0.0015 INCH.
6. Interference fit required: 0.0005/0.0020 INCH.
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