Model: 33AF1221-04-08

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.434 inches and 0.516 inches
Fastener Length
Between 0.484 inches and 0.516 inches
Head Style
Flat chamfer
Head Diameter
Between 0.173 inches and 0.183 inches
Head Height
0.112 inches
Spline Minor Diameter
Between 0.096 inches and 0.098 inches
Spline Major Diameter
Between 0.113 inches and 0.115 inches
Spline Width
Between 0.023 inches and 0.025 inches
Internal Drive Style
Six spline
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Hardness Rating
70.0 rockwell b and 90.0 rockwell b
Material
Steel comp 302
Material Specification
Mil-s-7720 military specification single material response
Thread Series Designator
Unc
NSN
5305-01-026-5778
Part Number
33AF1221-04-08
Description
Screw,cap,socket Head
CAGE
35351

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 33AF1221-04-08 NSN 5305-01-026-5778

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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