Socket Head Cap Screw

Model / MPN: MS21091-06010 | NSN: 5305-01-167-0286

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

5305-01-167-0286

Sold in multiples of

100 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.367 inches and 0.403 inches

Fastener Length

Between 0.922 inches and 0.968 inches

Head Style

Flat countersunk

Head Diameter

Between 0.249 inches and 0.279 inches

Locking Feature

Strip threads or pellet threads or patch threads

Internal Drive Style

Cross recess type 1

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

125000 pounds per square inch

Hardness Rating

26.0 rockwell c and 32.0 rockwell c

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Material

Steel comp 4037 or steel comp 8630

Material Specification

Ams 6300 assn standard 1st material response or mil-s-6050 military specification 2nd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

Thread Series Designator

Unc

MS21091 Series Parts

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.

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Socket Head Cap Screw

Pricing and Availability

Certified Quality Assurance

MS21091-06010 Cross Reference