Socket Head Cap Screw

Model / MPN: 16990P5C16D | NSN: 5305-00-003-6816

An externally threaded fastener whose threaded portion is of one diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Product Details

NATO Stock Number

5305-00-003-6816

Sold in multiples of

100 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.675 inches and 0.818 inches

Fastener Length

Between 0.984 inches and 1.016 inches

Head Style

Flat countersunk

Head Diameter

Between 0.600 inches and 0.656 inches

Locking Feature

Pellet threads

Internal Drive Style

Hexagon

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Hardness Rating

36.0 rockwell c and 43.0 rockwell c

Hardness Rating

36.0 rockwell c and 43.0 rockwell c

Minimum Yield Strength

130000 pounds per square inch

Countersink Angle

Between 80.0 degrees and 82.0 degrees

Material

Steel

Material Specification

66 federal standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 type 2 class 3 federal specification all treatment responses

Thread Series Designator

Unc

16990P Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5E319T248A	Screw, Cap, Socket He	84	EA	07/19/2019

Pricing and Availability

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16990P5C16D Cross Reference

30348
67A247C6
16990N5C16D
16990N5C16D