Model: 2057L128

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.610 inches

Fastener Length

1.490 inches

Head Style

Dee chamfer

Head Diameter

0.625 inches

Head Height

Between 0.190 inches and 0.200 inches

Distance From Centerline To Flat

Between 0.240 inches and 0.244 inches

Thread Diameter

0.375 inches

Grip Length

0.880 inches

Thready Qty Per Inch (tpi)

Hardness Rating

26.0 rockwell c and 32.0 rockwell c

Surface Finish

32.0 microinches bearing surface of head

Surface Finish

63.0 microinches threads

Material

Steel comp 8640

Material Specification

Ams6322 assn standard single material response

Surface Treatment

Cadmium threads

Surface Treatment Specification

Ams2400-1 assn standard single treatment response

Thread Series Designator

Unf

NSN

5306-00-783-9327

Part Number

2057L128

Description

Bolt,machine

CAGE

0AHP5

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part 2057L128 NSN 5306-00-783-9327

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01847

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:

574

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