Model: 220423-4

Socket Head Cap Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 1.172 inches and 1.266 inches
Fastener Length
Between 1.234 inches and 1.266 inches
Head Style
Fillister
Head Diameter
Between 0.208 inches and 0.226 inches
Head Height
Between 0.086 inches and 0.096 inches
Locking Feature
Pellet threads
Internal Drive Style
Cross recess type ii
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Part Name Assigned By Controlling Agency
Navy special project
Material
Stainless steel
Material Specification
16-18 or 18-8, fscm 70318 mfr ref single material response
Surface Treatment
Oxide
Surface Treatment Specification
Mil-c-13924, cl 4 military specification single treatment response
Thread Series Designator
Unc
NSN
5305-01-045-4212
Part Number
220423-4
Description
Screw,cap,socket Head
CAGE
99479

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 220423-4 NSN 5305-01-045-4212

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:
096640
UFC:
50600
LTL:
70.0
LCL:
--
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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