Model: AN148757

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.489 inches and 0.572 inches
Fastener Length
Between 0.552 inches and 0.572 inches
Head Style
Flat chamfer
Head Diameter
Between 0.490 inches and 0.510 inches
Head Height
Between 0.295 inches and 0.315 inches
Hole Diameter
0.046 inches
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
Between 0.251 inches and 0.253 inches
Hole Quantity
6
Hole Type
Drilled
Thready Qty Per Inch (tpi)
24
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Hole Configuration Style
Round
Surface Finish
32.0 microinches threads
Surface Finish
63.0 microinches bearing surface of head
Material
Steel comp 8740
Material Specification
Ams 6322 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
Thread Series Designator
Unf
NSN
5305-00-558-7985
Part Number
AN148757
Description
Screw,cap,socket Head
CAGE
88044

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 AN148757 NSN 5305-00-558-7985

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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