Model: 2057T139

Shoulder Bolt

Special Features:

One groove on shoulder, 0.055 in. Min, 0.065 in. Max, w, 0.388 in. Min, 0.398 in. Max, od

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.690 inches

Fastener Length

1.420 inches

Head Style

Dee chamfer

Head Diameter

0.655 inches

Head Height

Between 0.190 inches and 0.200 inches

Distance From Centerline To Flat

Between 0.247 inches and 0.251 inches

Shoulder Diameter

0.4452 inches first shoulder and 0.4456 inches first shoulder

Shoulder Length

0.730 inches first shoulder

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Hardness Rating

26.0 rockwell c and 32.0 rockwell c

Shoulder Shape

Round first shoulder

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 431

Material Specification

Ams 5628 assn standard single material response

Thread Series Designator

Unf

NSN

5306-01-007-1457

Part Number

2057T139

Description

Bolt,shoulder

CAGE

0AHP5

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part 2057T139 NSN 5306-01-007-1457

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04905

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