Model: A-256-256 ITEM NO.75

Socket Head Cap Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Fastener Length
2.500 inches
End Application
Motor ac group 1 and group 2
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
18
Part Name Assigned By Controlling Agency
Cap screw (screw cap socket head)
Material
Steel
Surface Treatment
Zinc
Thread Series Designator
Unc
NSN
5305-01-583-2053
Part Number
A-256-256 ITEM NO.75
Description
Screw,cap,socket Head
CAGE
51802

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 A-256-256 ITEM NO.75 NSN 5305-01-583-2053

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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