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  • Nut – A286-Reduced Hex, Thin, Light Weight 450 °F
MATERIAL: Non magnetic, heat and corrosion resistant steel. A 286 per AMS5525, AMS5731, AMS5732 or AMS5737.

FINISH:
  • PLH5xxC: Silver plate in accordance with AMS 2410.
  • PLH5xxCD: Cadmium plate in accordance with AMS-QQ-P-416 Type optional, class 2 + solid film lubricant per MIL-PRF-46010 Type I or AS5272 Type I.
  • PLH5xxCM: Passivated in accordance with AMS2700 Type II or Type VIII + solid film lubricant per MIL-PRF-46010 Type I or AS5272 Type I.
THREADS: AS8879 before lubrification.

CLASSIFICATION: 450° F.

MARKING:
  • PLH5xxC: SD + C.
  • PLH5xxCD: SD+ CD + blue color.
  • PLH5xxCM: SD + C + yellow green color.
  • Optional location and no identification is required on .1640 size and smaller.
PROCUREMENT SPECIFICATION: BPS-N-70, except tensile strength, class 125TC4.

BEARING SURFACE: Shall be square with pitch diameter within X when measured in accordance with BPS-N-70.

Contact Howmet for the diameter/type in manufacturing
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A - MAX

B - MIN

C - MIN

D - MAX

D - MIN

H - MAX

H - MIN

Thread

PLH 504C N/A 0.206 Inch N/A 0.176 Inch N/A 0.171 Inch N/A 0.142 Inch N/A 0.112 Inch N/A 0.125 Inch N/A 0.103 Inch N/A 0.1120-40 UNJC-3B
PLH 506C N/A 0.244 Inch N/A 0.214 Inch N/A 0.207 Inch N/A 0.168 Inch N/A 0.138 Inch N/A 0.141 Inch N/A 0.115 Inch N/A 0.1380-32 UNJC-3B
PLH 508C N/A 0.290 Inch N/A 0.260 Inch N/A 0.244 Inch N/A 0.194 Inch N/A 0.164 Inch N/A 0.188 Inch N/A 0.125 Inch N/A 0.1640-32 UNJC-3B
PLH 53C N/A 0.330 Inch N/A 0.290 Inch N/A 0.277 Inch N/A 0.220 Inch N/A 0.190 Inch N/A 0.188 Inch N/A 0.154 Inch N/A 0.1900-32 UNJF-3B
PLH 54C N/A 0.420 Inch N/A 0.386 Inch N/A 0.347 Inch N/A 0.280 Inch N/A 0.250 Inch N/A 0.219 Inch N/A 0.204 Inch N/A 0.2500-28 UNJF-3B
PHL 55C N/A 0.520 Inch N/A 0.482 Inch N/A 0.419 Inch N/A 0.342 Inch N/A 0.312 Inch N/A 0.266 Inch N/A 0.251 Inch N/A 0.3125-24 UNJF-3B
PLH 56C N/A 0.620 Inch N/A 0.575 Inch N/A 0.491 Inch N/A 0.405 Inch N/A 0.375 Inch N/A 0.282 Inch N/A 0.267 Inch N/A 0.3750-24 UNJF-3B
PLH 57C N/A 0.708 Inch N/A 0.680 Inch N/A 0.562 Inch N/A 0.467 Inch N/A 0.437 Inch N/A 0.328 Inch N/A 0.313 Inch N/A 0.4375-20 UNJF-3B
PLH 504CD N/A 0.206 Inch N/A 0.176 Inch N/A 0.171 Inch N/A 0.142 Inch N/A 0.112 Inch N/A 0.125 Inch N/A 0.103 Inch N/A 0.1120-40 UNJC-3B
PLH 506CD N/A 0.244 Inch N/A 0.214 Inch N/A 0.207 Inch N/A 0.168 Inch N/A 0.138 Inch N/A 0.141 Inch N/A 0.115 Inch N/A 0.1380-32 UNJC-3B
PLH 508CD N/A 0.290 Inch N/A 0.260 Inch N/A 0.244 Inch N/A 0.194 Inch N/A 0.164 Inch N/A 0.188 Inch N/A 0.125 Inch N/A 0.1640-32 UNJC-3B
PLH 53CD N/A 0.330 Inch N/A 0.290 Inch N/A 0.277 Inch N/A 0.220 Inch N/A 0.190 Inch N/A 0.188 Inch N/A 0.154 Inch N/A 0.1900-32 UNJF-3B
PLH 54CD N/A 0.420 Inch N/A 0.386 Inch N/A 0.347 Inch N/A 0.280 Inch N/A 0.250 Inch N/A 0.219 Inch N/A 0.204 Inch N/A 0.2500-28 UNJF-3B
PHL 55CD N/A 0.520 Inch N/A 0.482 Inch N/A 0.419 Inch N/A 0.342 Inch N/A 0.312 Inch N/A 0.266 Inch N/A 0.251 Inch N/A 0.3125-24 UNJF-3B
PLH 56CD N/A 0.620 Inch N/A 0.575 Inch N/A 0.491 Inch N/A 0.405 Inch N/A 0.375 Inch N/A 0.282 Inch N/A 0.267 Inch N/A 0.3750-24 UNJF-3B
PLH 57CD N/A 0.708 Inch N/A 0.680 Inch N/A 0.562 Inch N/A 0.467 Inch N/A 0.437 Inch N/A 0.328 Inch N/A 0.313 Inch N/A 0.4375-20 UNJF-3B
PLH 504CM N/A 0.206 Inch N/A 0.176 Inch N/A 0.171 Inch N/A 0.142 Inch N/A 0.112 Inch N/A 0.125 Inch N/A 0.103 Inch N/A 0.1120-40 UNJC-3B
PLH 506CM N/A 0.244 Inch N/A 0.214 Inch N/A 0.207 Inch N/A 0.168 Inch N/A 0.138 Inch N/A 0.141 Inch N/A 0.115 Inch N/A 0.1380-32 UNJC-3B
PLH 508CM N/A 0.290 Inch N/A 0.260 Inch N/A 0.244 Inch N/A 0.194 Inch N/A 0.164 Inch N/A 0.188 Inch N/A 0.125 Inch N/A 0.1640-32 UNJC-3B
PLH 53CM N/A 0.330 Inch N/A 0.290 Inch N/A 0.277 Inch N/A 0.220 Inch N/A 0.190 Inch N/A 0.188 Inch N/A 0.154 Inch N/A 0.1900-32 UNJF-3B
PLH 54CM N/A 0.420 Inch N/A 0.386 Inch N/A 0.347 Inch N/A 0.280 Inch N/A 0.250 Inch N/A 0.219 Inch N/A 0.204 Inch N/A 0.2500-28 UNJF-3B
PHL 55CM N/A 0.520 Inch N/A 0.482 Inch N/A 0.419 Inch N/A 0.342 Inch N/A 0.312 Inch N/A 0.266 Inch N/A 0.251 Inch N/A 0.3125-24 UNJF-3B
PLH 56CM N/A 0.620 Inch N/A 0.575 Inch N/A 0.491 Inch N/A 0.405 Inch N/A 0.375 Inch N/A 0.282 Inch N/A 0.267 Inch N/A 0.3750-24 UNJF-3B
PLH 57CM N/A 0.708 Inch N/A 0.680 Inch N/A 0.562 Inch N/A 0.467 Inch N/A 0.437 Inch N/A 0.328 Inch N/A 0.313 Inch N/A 0.4375-20 UNJF-3B
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