Model: BACS21CHD9

Recessed And Stepped Stud

Properties:

Thread Class

3a nut thread

Thread Pitch Diameters

+0.3422/+0.3437 inches stud thread

Thread Direction

Right-hand nut thread

Thread Direction

Right-hand stud thread

Thread Length

0.625 inches nut thread

Thread Length

0.750 inches stud thread

Overall Length

2.750 inches

Length Of Recessed Portion Of Shank

0.750 inches

Diameter Of Recessed Portion Of Shank

Between 0.229 inches and 0.233 inches

Distance Across Flats

0.250 inches

Thready Qty Per Inch (tpi)

16 stud thread

Thready Qty Per Inch (tpi)

24 nut thread

Hardness Rating

Between 26.0 rockwell c and 32.0 rockwell c

Thread Size

0.312 inches nut thread

Thread Size

0.375 inches stud thread

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 8740

Material Specification

Sae assn standard single material response

Surface Treatment

Cadmium

Thread Series Designator

Unc stud thread

Thread Series Designator

Unjf nut thread

NSN

5307-00-912-8090

Part Number

BACS21CHD9

Description

Stud,recessed And Stepped

CAGE

81205

Part BACS21CHD9 NSN 5307-00-912-8090

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15943

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:

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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