Socket Head Cap Screw

Model / MPN: 16990*4F-16D | NSN: 5305-01-424-9416

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

5305-01-424-9416

Sold in multiples of

1 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

C1.000 single through hole with threaded insert

Fastener Length

Between 0.984 inches and 1.016 inches

Head Style

Flat countersunk

Head Diameter

Between 0.359 inches and 0.411 inches

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

Between 0.1562 inches and 0.1582 inches

Thready Qty Per Inch (tpi)

Hardness Rating

36.0 rockwell c and 43.0 rockwell c

Countersink Angle

Between 80.0 degrees and 84.0 degrees

Material

Steel

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

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

Thread Series Designator

Unf

16990*4F Series Parts

16990*4F-16D

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5E215TD247	Screw, Cap, Socket He	5	EA	07/17/2015
SPE5E215TE982	Screw, Cap, Socket He	10	EA	08/10/2015
SPE5E219T149T	Screw, Cap, Socket He	7	EA	09/10/2019
SPE5E220T8168	Screw, Cap, Socket He	18	EA	05/04/2020

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

16990*4F-16D Cross Reference

MS24668-13L
16990-4F-16D