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MATERIAL: A286 Cres per AMS 5732 or AMS 5737, heat treated to develop properties commensurate with nut performance requirements herein.

FINISH: Cadmium plated per AMS-QQ-P-416, type and class optional if lubricated nuts meet salt spray requirements of AMS-QQ-P-416, type II, + solid film lubricant.

LUBRICATION: Solid film lubricant per MIL-PRF-46010, type I, or AS 5272, type I. Lubricant shall meet the requirements of BPS-N-70.

PERFORMANCE: BPS-N-70, class 125TC4, except tensile strength as tabulated and self-locking torque restricted to 5 reusability cycies on a cross drilled bolt or stud. Control method according to BACN11N.

THREADS: Per AS-8879, prior to lubrication.

MARKING: Parts marked with manufacturer's symbol «SD» and «CD» for cadmium plated plus solid film lubricant + white paint (ex:PHCR 54 CD-BACN)

Contact Howmet for the diameter/type in manufacturing
Unit of Measure

A - MAX

 N/A 0.910 Inch

B - MIN

 N/A 0.875 Inch

C - MIN

 N/A 0.836 Inch

D - MAX

 N/A 0.836 Inch

F ±.016

 N/A 0.469 Inch

G - MAX

 N/A 0.186 Inch

G - MIN

 N/A 0.156 Inch

H ±.015

 N/A 0.719 Inch

R - MAX

 N/A 0.078 Inch

R - MIN

 N/A 0.052 Inch

V - REF

 N/A 0.090 Inch

W - MAX

 N/A 0.755 Inch

W - MIN

 N/A 0.741 Inch

Minimum Tensile Strength

 N/A 34130 lb

Approx. Weight

 N/A 4.100 lb/100

Thread Type

 N/A Unified

Configuration 1

 N/A Castellated Hex

Lock

 N/A Crimp Lock

Simplified Material

 N/A CRES

Strength

 N/A 125KSI - 900Mpa

Temperature

 N/A 450°F - 235°C

Specific Material

 N/A A286 CRES per AMS 5732 or AMS 5737, heat treated to develop properties commensurate with nut performance requirements herein

Thread

 N/A 0.6250-18 UNJF-3B

Part Family

 N/A PHCR 5xx xx