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MATERIAL: Alloy steel AISI 8740 or equivalent.

FINISH : Cadmium plate AMS-QQ-P-416, Type II, class 2.

LOCKING INSERT: Gold color nylon (250° F max. performance).

MAGNETIC PARTICLE INSPECTION: Parts individually inspected in accordance with military specification MIL-I-6868.

THREADS: In accordance with AS 8879.

PERFORMANCE : NASM 25027, except Min Tensile Strenght equivalent at to 180.000 PSI at 98% of the basic pitch diameter, for sizes -4, -5 and the basic diameter for sizes -6 and larger. The values tabuled above will be obtained when Tensile tested on a Bolt having a minimum Tensile Strength of 200.000 PSI.

APPLICATION: This design is suited for application involving high strength Bolts such as NASM 21250 and the 20004 Series.

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

A -.000 / -.010

 N/A 0.593 Inch

C - REF

 N/A 0.491 Inch

H - MAX

 N/A 0.396 Inch

V - REF

 N/A 0.090 Inch

W - MAX

 N/A 0.439 Inch

W - MIN

 N/A 0.430 Inch

Ultimate Tensile

 N/A 11100 lb/min

Approx. Weight

 N/A 1.400 lb/100

Thread Type

 N/A Unified

Configuration 1

 N/A Double Hex

Lock

 N/A Non-Metallic Insert

Simplified Material

 N/A Alloy Steel

Strength

 N/A 180KSI - 1250Mpa

Temperature

 N/A 250°F - 120°C

Specific Material

 N/A Alloy Steel AISI 8740 or equivalent

Thread

 N/A 0.3125-24 UNJF-3B

Part Family

 N/A DHN 35