Model: 12577736-1

Setscrew

Special Features:

Locking element iaw mil-dtl-18240

Properties:

Thread Class
3a
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)
20
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
12577736-1
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 12577736-1 NSN 5305-01-640-9268

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06672
FIIG:
A003B0
Concept No.:
App. Key:
SQ
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
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

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