Model: BACB30MT8T-21Y

Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.788 inches and 0.838 inches

Fastener Length

Between 2.110 inches and 2.140 inches

Head Style

Double hexagon w/hole

Head Height

Between 0.494 inches and 0.514 inches

Width Between Flats

Between 0.553 inches and 0.564 inches

Extended Washer Diameter

Between 0.818 inches and 0.828 inches

Extended Washer Thickness

Between 0.113 inches and 0.133 inches

Shoulder Diameter

0.5297 inches and 0.5307 inches first shoulder

Shoulder Length

1.302 inches and 1.322 inches first shoulder

Thread Diameter

0.500 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

220000 pounds per square inch

Hardness Rating

46.0 rockwell c and 49.0 rockwell c

Shoulder Shape

Round first shoulder

Material

Steel comp h11

Material Specification

Ams 6487 assn standard single material response

Surface Treatment

Nickel and cadmium and chromate

Surface Treatment Specification

Bps-f-69, class 220fa6 mfr ref all treatment responses

Thread Series Designator

Unjf

NSN

5306-01-231-5896

Part Number

BACB30MT8T-21Y

Description

Bolt,shoulder

CAGE

17446

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 BACB30MT8T-21Y NSN 5306-01-231-5896

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:

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