Model: LL500-2-2

Machine Screw

Special Features:

With self-locking element

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.125 inches
Fastener Length
Between 0.156 inches and 0.188 inches
Head Style
Fillister
Head Diameter
Between 0.124 inches and 0.140 inches
Head Height
Between 0.055 inches and 0.062 inches
Internal Drive Style
Cross recess type 1
End Application
Hawkeye aircraft
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Min. Tensile Strength (psi)
600000 pounds per square inch
Part Name Assigned By Controlling Agency
Screw, machine, fillister head, coarse thread
Screw Material
Steel or steel comp 1010
Screw Material Specification
Qq-s-630 federal specification 2nd material response or qq-s-631 federal specification 2nd material response or qq-s-634 federal specification 2nd material response
Screw Surface Treatment
Cadmium
Screw Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
Thread Series Designator
Unc
NSN
5305-01-518-6738
Part Number
LL500-2-2
Description
Screw,machine
CAGE
03038

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 LL500-2-2 NSN 5305-01-518-6738

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:
A
ESD:
A
MMAC:
CRITL:
X

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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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