Model: 50121721-005

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.214 inches and 0.274 inches
Fastener Length
Between 0.296 inches and 0.328 inches
Head Style
Flat countersunk
Head Diameter
Between 0.143 inches and 0.168 inches
Internal Drive Style
Hexagon
Thread Diameter
0.073 inches
Width Across Flats
Between 0.050 inches and 0.051 inches
Thready Qty Per Inch (tpi)
72
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Countersink Angle
82.0 degrees
Material
Steel
Thread Series Designator
Unf
NSN
5305-01-015-5687
Part Number
50121721-005
Description
Screw,cap,socket Head
CAGE
26512

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 50121721-005 NSN 5305-01-015-5687

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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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