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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: PHCR 54CS - Passivated per AMS 2700, type II or type Vlil, + 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 «CS» for passivated plus solid film lubricant (ex:PHCR 54 CS-BACN).

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

A - MAX

 0.579 Inch

B - MIN

 0.539 Inch

C - MIN

 0.480 Inch

D - MAX

 0.480 Inch

F ±.016

 0.219 Inch

G - MAX

 0.155 Inch

G - MIN

 0.125 Inch

H ±.015

 0.406 Inch

R - MAX

 0.062 Inch

R - MIN

 0.042 Inch

V - REF

 0.070 Inch

W - MAX

 0.440 Inch

W - MIN

 0.429 Inch

Minimum Tensile Strength

 11450 lb

Approx. Weight

 0.840 lb/100

Thread Type

 Unified

Configuration 1

 Castellated Hex

Lock

 Crimp Lock

Simplified Material

 CRES

Strength

 125KSI - 900Mpa

Temperature

 450°F - 235°C

Specific Material

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

Thread

 0.3750-24 UNJF-3B

Part Family

 PHCR 5xx xx