Model: AN520PB1-2

Machine Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.125 inches
Fastener Length
Between 0.094 inches and 0.125 inches
Head Style
Round
Head Diameter
Between 0.122 inches and 0.138 inches
Head Height
0.061 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.073 inches
Thready Qty Per Inch (tpi)
72
Min. Tensile Strength (psi)
55000 pounds per square inch
Screw Material
Copper alloy
Screw Material Specification
Qq-b-613 federal specification single material response or qq-b-626 federal specification single material response or qq-w-321 federal specification single material response
Screw Surface Treatment
Cadmium and chromate
Thread Series Designator
Unf
NSN
5305-00-576-0597
Part Number
AN520PB1-2
Description
Screw,machine
CAGE

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part AN520PB1-2 NSN 5305-00-576-0597

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
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:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
72E
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415338550
  • SITC: 69433
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts

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