Model: 12387270-3

Socket Head Cap Screw

Special Features:

Finish 1.9.2.3 of mil-std-171, except .0003 thick. Supplementary chromoate treatment to be bronze or olive drab in color

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.359 inches and 0.391 inches
Fastener Length
Between 0.359 inches and 0.391 inches
Head Style
Flat chamfer
Head Diameter
Between 0.134 inches and 0.140 inches
Head Height
Between 0.134 inches and 0.140 inches
Internal Drive Style
Hexagon
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
38.0 rockwell c and 44.0 rockwell c
Color
Bronze or olive drab
Material
Steel
Material Specification
66 federal standard single material response
Surface Treatment
Chromate
Surface Treatment Specification
Qq-p-416, ty2, cl3 federal specification single treatment response
Thread Series Designator
Unc
NSN
5305-01-592-5634
Part Number
12387270-3
Description
Screw,cap,socket Head
CAGE
19207

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 12387270-3 NSN 5305-01-592-5634

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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:
U
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096640
UFC:
50600
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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