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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

 N/A 0.420 Inch

B - MIN

 N/A 0.386 Inch

C - MIN

 N/A 0.348 Inch

D - MAX

 N/A 0.348 Inch

F ±.016

 N/A 0.125 Inch

G - MAX

 N/A 0.100 Inch

G - MIN

 N/A 0.070 Inch

H ±.015

 N/A 0.281 Inch

R - MAX

 N/A 0.039 Inch

R - MIN

 N/A 0.026 Inch

V - REF

 N/A 0.025 Inch

W - MAX

 N/A 0.315 Inch

W - MIN

 N/A 0.305 Inch

Minimum Tensile Strength

 N/A 4580 lb

Approx. Weight

 N/A 0.320 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 0.2500-28 UNJF-3B

Part Family

 N/A PHCR 5xx xx