Model: MS21091-3008

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.381 inches and 0.447 inches

Fastener Length

Between 0.891 inches and 0.937 inches

Head Style

Flat countersunk

Head Diameter

Between 0.327 inches and 0.385 inches

Locking Feature

Strip threads or pellet threads or patch threads

Internal Drive Style

Cross recess type 1

Thread Diameter

0.190 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

Plastic locking feature

Material

Steel comp 4037 fastener or steel comp 8630 fastener

Material Specification

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

Surface Treatment

Cadmium fastener and chromate fastener

Surface Treatment Specification

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

Thread Series Designator

Unf

NSN

5305-01-166-7929

Part Number

MS21091-3008

Description

Screw,cap,socket Head

CAGE

96906

An externally threaded fastener whose threaded portion is of one nominal 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.

Part MS21091-3008 NSN 5305-01-166-7929

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment