Model: 138381

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.437 inches
Fastener Length
Between 3.469 inches and 3.531 inches
Head Style
Flat chamfer
Head Diameter
Between 0.863 inches and 0.875 inches
Head Height
Between 0.616 inches and 0.625 inches
Internal Drive Style
Hexagon
Thread Diameter
0.625 inches
Width Across Flats
Between 0.503 inches and 0.505 inches
Thready Qty Per Inch (tpi)
18
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Material
Steel
Thread Series Designator
Unf
NSN
5305-00-013-8381
Part Number
138381
Description
Screw,cap,socket Head
CAGE
7X677

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 138381 NSN 5305-00-013-8381

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:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
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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