Model: MS20020-40

Internal Wrenching Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.60 inches

Fastener Length

Between 4.110 inches and 4.140 inches

Head Style

Bevel-conical

Head Diameter

Between 2.115 inches and 2.125 inches

Head Height

1.250 inches

Internal Drive Style

Hexagon

Thread Diameter

1.25 inches

Width Across Flats

Between 1.001 inches and 1.005 inches

Thready Qty Per Inch (tpi)

Material

Steel comp 4140 and steel comp 4340 and steel comp 8740

Material Specification

Sae-ams6382 national std/spec 1st material response and sae-ams6415 or sae-ams6484 national std/spec 2nd material response and sae-ams6325 or sae-ams6327 national std/spec 3rd material response

Surface Treatment

Cadmium

Surface Treatment Specification

Sae-ams-qq-p-416 national std/spec single treatment response

Thread Series Designator

Unjf

Specification Data

80205-nas-20020 national std/spec

NSN

5306-01-653-6063

Part Number

MS20020-40

Description

Bolt,internal Wrenching

CAGE

80205

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part MS20020-40 NSN 5306-01-653-6063

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06666

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

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