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  TB 1-1520-238-30-14
e. Drive the fastener (the screw is wrenched while the hexagon nut is held). The driving screw (c ore bolt) will snap
off when the fastener is fully driven.
f. Inspect the hexagon head(s) of the installed fasteners lAW the following inspection criteria.
(1) The head of the fastener(s) shall be seated (flush) at least 75 percent around the periphery . The remaining
gap (if any) shall be no lager than 0.002 inch (0.05mm).
(2) A 0.002 inch feeler gauge must not be able to touch the shank of the fastener.
g. Replace any discrepant bind fasteners by holding the nut with the nose adapter and drilling through the fastener
with a number 42 (0.094) drill bit. The PLT254-6 Visu-Loks require a number 35 (0.110) drill bit for removal.
Install a replacement fastener IAW paragraph 9.c of this TB.
h. Touch-up the installed fasteners and exposed surfaces with primer (MIL-P-23377) and paint (MIL-C-46168), IAW
TM 55-1500-345-23.
11. Supply/Parts and Disposition:
a. Expendable supplies required for inspection/rework.
Nomenclature
Part Number
NSN
Paint, Polyurethane Coating
MIL-C-46168
8010-01-141-2420
Primer Epoxy Coating Kit
MIL-P-23377
8010-00-082-2450
Sealing Compound
MILS-81733
8030-00-871-8489
Sponge
A-A-2073
7920-00-633-9915
Dishwashing Compound, Hand
P-D-410
7930-00-880-4454
b. Parts which may be required for replacement of defective items as required.
NOMENCLATURE
PART NUMBER
NATIONAL STOCK NUMBER
Rivet,
Blind
NAS1398CW541
TBD
Rivet,
Blind
NAS1398CW5A2
5320-01-454-6847
Rivet,
Blind
NAS1398CW5A3
5320-01-332-2211
Rivet,
Blind
NAS1398CW5A4
5320-01-332-2212
Rivet,
Blind
NAS1398CW5A5
5320-01-333-6033
Rivet,
Blind
NAS1398CW5A6
5320-01-332-2213
Rivet,
Blind
NAS1398CW5A7
5320-01-332-2214
Rivet,
Blind
NAS1398CW5A8
5320-01-332-2215
Rivet,
Blind
NAS1398CW5A9
5320-01-332-8426
Rivet,
Blind
NAS1398CW5A10
5320-01-332-2216
Rivet,
Blind
CR-2663CW5A11
5320-01-454-7595
Rivet,
Blind
NAS1398CW6A1
TBD
Rivet,
Blind
NAS1398CW6A2
5320-01-454-6851
Rivet,
Blind
NAS1398CW6A3
5320-01-333-9940
Rivet,
Blind
NAS1398CW6A4
5320-01-333-9941
Rivet,
Blind
NAS1398CW6A5
5320-01-332-1518
5
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