Howmet Aerospace - Bottom Lock Heavy Duty

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Unit of Measure

Items	TR29037-10 Bottom Lock Heavy Duty	TR29037-12 Bottom Lock Heavy Duty	TR29037-16 Bottom Lock Heavy Duty	TR29037-3 Bottom Lock Heavy Duty	TR29037-4 Bottom Lock Heavy Duty
Insert Type	N/A Bottom Lock Heavy Duty
Material	N/A A286 per AMS 5731, AMS 5732, AMS 5734, AMS 5737 or Equivalent
Finish Description	N/A Passivate per AMS 2700
Lube Description	N/A Dry Film Lubricant per AS5272, Type 1
A Thread Size	N/A 0.6250-18 UNJF-3B	N/A 0.7500-16 UNJF-3B	N/A 1.0000-12 UNJF-3B	N/A 0.1900-32 UNJF-3B	N/A 0.2500-28 UNJF-3B
B Thread Size	N/A 0.8750-14 UNF-2A	N/A 1.125-12 UNF-2A	N/A 1.3750-12 UNF-2A	N/A 0.3750-16 UNC-2A	N/A 0.4375-14 UNC-2A
Minor Diameter	N/A 0.815-0.807	N/A 1.050-1.040	N/A 1.300-1.290	N/A 0.320-0.312	N/A 0.383-0.375
L ± .015	N/A 0.870	N/A 1.090	N/A 1.275	N/A 0.350	N/A 0.400
H ± .015	N/A 0.550	N/A 0.700	N/A 0.760	N/A 0.245	N/A 0.263
Tap Drill Diameter	N/A 0.833-0.827	N/A 1.067-1.061	N/A 1.317-1.311	N/A 0.336-0.331	N/A 0.401-0.396
C'Sink Diameter	N/A 0.895-0.885	N/A 1.155-1.145	N/A 1.405-1.395	N/A 0.395-0.385	N/A 0.457-0.447
Tap Size	N/A 0.8750-14 UNF-2B	N/A 1.125-12 UNF-2B	N/A 1.3750-12 UNF-2B	N/A 0.3750-16 UNC-2B	N/A 0.4375-14 UNC-2B
Min Full Thread Depth	N/A 1.040	N/A 1.160	N/A 1.350	N/A 0.420	N/A 0.470
Removal Drill Depth ±.010	N/A 0.1900	N/A 0.1900	N/A 0.1900	N/A 0.1600	N/A 0.1900
Kees	N/A 420 CRES
Performance	N/A 25 cycles seated at 800 º F
Removal Drill Size	N/A 0.7810	N/A 0.9680	N/A 1.2400	N/A 0.2810	N/A 0.3430