Model: 21-1068P

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.625 inches
Fastener Length
1.125 inches
Head Style
Flat countersunk
Head Diameter
Between 0.458 inches and 0.468 inches
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
0.125 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
34.0 rockwell c and 38.0 rockwell c
Countersink Angle
45.0 degrees
Material
Steel comp 3140
Material Specification
Sae assn standard single material response
Thread Series Designator
Unf
NSN
5305-00-639-3374
Part Number
21-1068P
Description
Screw,cap,socket Head
CAGE
66935

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 21-1068P NSN 5305-00-639-3374

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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