Model: A51B25551-11

Shoulder Bolt

Description:

3a thread class, right-hand , 0.760 inches thread length, 1.650 inches fastener length, round w/wrench flats head style, 1.200 inches head diameter.

Special Features:

Threaded end flatted 0.290 in. Min, 0.300 in. Max w

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.760 inches

Fastener Length

1.650 inches

Head Style

Round w/wrench flats

Head Diameter

1.200 inches

Head Height

0.215 inches

Width Between Flats

0.700 inches

Shoulder Diameter

0.5595 inches first shoulder and 0.5601 inches first shoulder

Shoulder Diameter

0.5595 inches and 0.5601 inches first shoulder

Shoulder Length

0.850 inches first shoulder

Shank Unthreaded Hole Diameter

0.139 inches first hole and 0.145 inches first hole

Shank Unthreaded Hole Diameter

0.139 inches and 0.145 inches first hole

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

150000 pounds per square inch

Hardness Rating

33.0 rockwell c and 37.0 rockwell c

Hardness Rating

33.0 rockwell c and 37.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center

1.400 inches first hole

Shoulder Shape

Round first shoulder

Material

Steel comp 4340

Material Specification

Mil-s-5000 military specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, cl 1 federal specification single treatment response

Test Data Document

81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Thread Series Designator

Unjf

NSN

5306-00-003-9043

Part Number

A51B25551-11

Description

Bolt,shoulder

CAGE

61174

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 A51B25551-11 NSN 5306-00-003-9043

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:

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:

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