Model: 12577736

Setscrew

Special Features:

Locking element iaw mil-dtl-18240

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

2.100 inches

Fastener Length

Between 2.120 inches and 2.180 inches

Head Style

Headless (setscrew)

Point Diameter

Between 0.270 inches and 0.300 inches

Point Style

Flat

Internal Drive Style

Hexagon

End Application

F-35

Thread Diameter

0.500 inches

Width Across Flats

0.250 inches

Thready Qty Per Inch (tpi)

Hardness Rating

33.0 rockwell c and 38.0 rockwell c fastener

Part Name Assigned By Controlling Agency

Stud, armor mounting

Material

Plastic nylon locking feature

Material

Steel comp 4130 or steel comp 4135 or steel comp 4137 or steel comp 4140 or steel comp 4142 or steel comp 4145 or steel comp 4340 or steel comp 8630 or steel comp 8635 or steel comp 8637 or steel comp 8640 or steel comp 8642 or steel comp 8645 fastener

Material Specification

Mil-dtl-18240 military standard single material response locking feature

Material Specification

Astm a322 assn standard single material response fastener

Surface Treatment

Zinc fastener

Surface Treatment Specification

Astm b633, ty ii, sc 2, 0.3 mils thick assn standard single treatment response fastener

Supplementary Features

Refer to drawing for additional requirements

Thread Series Designator

Unf

NSN

5305-01-640-9268

Part Number

12577736

Description

Setscrew

CAGE

19207

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 12577736 NSN 5305-01-640-9268

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

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:

713

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