Howmet Aerospace - Flat Beam™ Lock

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Unit of Measure

Items	TR26097-1032 Flat Beam™ Lock	TR26097-428 Flat Beam™ Lock	TR26097-524 Flat Beam™ Lock	TR26097-624 Flat Beam™ Lock	TR26097-720 Flat Beam™ Lock
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 0.1900-32 UNJF-3B	N/A 0.2500-28 UNJF-3B	N/A 0.3125-24 UNJF-3B	N/A 0.3750-24 UNJF-3B	N/A 0.4375-20 UNJF-3B
B Thread Size	N/A 0.3750-16 UNC-2A	N/A 0.4375-14 UNC-2A	N/A 0.5000-13 UNC-2A	N/A 0.5625-12 UNC-2A	N/A 0.6250-11 UNC-2A
"B" Thread Minor Diameter	N/A 0.320-0.312	N/A 0.383-0.375	N/A 0.440-0.432	N/A 0.503-0.495	N/A 0.565-0.531
G ± 0.015	N/A 0.350	N/A 0.400	N/A 0.480	N/A 0.540	N/A 0.620
H ± 0.015	N/A 0.245	N/A 0.263	N/A 0.305	N/A 0.343	N/A 0.395
Tap Drill Diameter	N/A 0.331-0.336	N/A 0.396-0.401	N/A 0.452-0.457	N/A 0.515-0.521	N/A 0.577-0.583
Min Tap Drill Depth	N/A 0.420	N/A 0.470	N/A 0.550	N/A 0.610	N/A 0.690
C'Sink Diameter	N/A 0.385-0.395	N/A 0.447-0.457	N/A 0.510-0.520	N/A 0.572-0.582	N/A 0.635-0.645
Tap Size	N/A 0.3750-16 UNC-2B	N/A 0.4375-14 UNC-2B	N/A 0.5000-13 UNC-2B	N/A 0.5625-12 UNC-2B	N/A 0.6250-11 UNC-2B
Minimum Full Thread Depth	N/A 0.290	N/A 0.310	N/A 0.350	N/A 0.390	N/A 0.440
Removal Drill Depth ±.010	N/A 0.1900	N/A 0.2200	N/A 0.2200	N/A 0.2200	N/A 0.2200
Kees	N/A 420 CRES
Performance	N/A 50 cycles seated at temperature
Removal Drill Size	N/A 0.2810	N/A 0.3430	N/A 0.4060	N/A 0.4680	N/A 0.5310