Model: BACS21S9-12A

Locked In Stud

Properties:

Thread Class

3a nut thread

Thread Pitch Diameters

+0.2778/+0.2795 inches stud thread

Thread Pitch Diameters

+0.2778 to 0.2795 inches stud thread

Thread Direction

Right-hand nut thread

Thread Direction

Right-hand stud thread

Thread Length

0.485 inches nut thread and 0.515 inches nut thread

Thread Length

0.375 inches stud thread and 0.405 inches stud thread

Locking Feature

Ring, lock serrated

Overall Length

Between 1.280 inches and 1.340 inches

Distance From Serrated Portion To Nut End

Between 0.735 inches and 0.765 inches

Distance From Serrated Portion To Stud End

Between 0.545 inches and 0.575 inches

Distance From Serrated Portion To End Of Stud Thread

Between 0.140 inches and 0.200 inches

Serration Quantity

Thready Qty Per Inch (tpi)

18 stud thread

Thready Qty Per Inch (tpi)

28 nut thread

Hardness Rating

26.0 rockwell c

Thread Size

0.250 inches nut thread

Thread Size

0.312 inches stud thread

Surface Finish

32.0 microinches nut thd

Serration Included Angle

86.0 degrees

Material

Steel comp 4130

Material Specification

Mil-s-6758 military specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

Style Designator

Locked in

Thread Series Designator

Unf nut thread

Thread Series Designator

Uns stud thread

NSN

5307-00-145-1746

Part Number

BACS21S9-12A

Description

Stud,locked In

CAGE

81205

Part BACS21S9-12A NSN 5307-00-145-1746

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16012

FIIG:

A051A0

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

Pricing & Availability Check

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