Model: 998-D568-611L

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.146 inches and 0.176 inches
Fastener Length
Between 0.313 inches and 0.343 inches
Head Style
Flat chamfer
Head Diameter
Between 0.303 inches and 0.313 inches
Head Height
Between 0.185 inches and 0.190 inches
Internal Drive Style
Hexagon
Thread Diameter
0.190 inches
Width Across Flats
Between 0.1562 inches and 0.1587 inches
Thready Qty Per Inch (tpi)
A32
Min. Tensile Strength (psi)
80000 pounds per square inch
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303 plus x or steel comp 303se or steel comp 303cu or steel comp 303ma or steel comp 304 or steel comp 304l
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 ty1 federal specification single treatment response
Thread Series Designator
Unf
NSN
5305-01-365-0357
Part Number
998-D568-611L
Description
Screw,cap,socket Head
CAGE

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 998-D568-611L NSN 5305-01-365-0357

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:
A
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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