Model: NASM14181

Machine Screw

Special Features:

Dry film lubricant, drilled head

Properties:

Thread Class
Fine
Thread Direction
Right-hand
Thread Length
1.005 inches
Fastener Length
Between 4.515 inches and 4.545 inches
Head Style
Double hexagon w/ hole
Head Height
Between 0.552 inches and 0.572 inches
Width Between Flats
Between 0.673 inches and 0.688 inches
Extended Washer Diameter
Between 1.153 inches and 1.163 inches
Extended Washer Thickness
Between 0.080 inches and 0.100 inches
Thread Diameter
0.625 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
599000 pounds per square inch
Screw Material
Nickel alloy 718
Locking Feature Material
Nickel alloy 718
Screw Material Specification
Ams5662 assn standard single material response
Locking Feature Material Specification
Ams5662 assn standard single material response
Bearing Surface Of Head Surface Treatment
Passivate
Head Surface Treatment
Passivate
Screw Surface Treatment
Passivate
Shank Surface Treatment
Passivate
Bearing Surface Of Head Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Head Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Screw Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Shank Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Test Data Document
80205-nas-4181 standard (includes industry or association standards, individual manufactureer standards, etc.).
Thread Series Designator
Unjf
NSN
5305-01-492-6862
Part Number
NASM14181
Description
Screw,machine
CAGE
80205

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 NASM14181 NSN 5305-01-492-6862

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: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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