Model: MS21301-21

Shoulder Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.500 inches and 0.506 inches

Fastener Length

Between 4.000 inches and 4.006 inches

Head Style

Flat chamfer

Head Diameter

Between 0.553 inches and 0.562 inches

Head Height

Between 0.244 inches and 0.250 inches

Shoulder Diameter

0.371 inches first shoulder and 0.373 inches first shoulder

Shoulder Length

3.500 inches first shoulder

Internal Drive Style

Hexagon

Thread Diameter

0.312 inches

Width Across Flats

Between 0.188 inches and 0.189 inches

Thready Qty Per Inch (tpi)

Shoulder Shape

Round first shoulder

Material Specification

Qq-s-637 federal specification single material response

Thread Series Designator

Unc

NSN

5305-01-067-7023

Part Number

MS21301-21

Description

Screw,shoulder

CAGE

96906

Part MS21301-21 NSN 5305-01-067-7023

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22846

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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