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Machine Screw

Model NAS1802-4D12

Quick Information about NAS1802-4D12

3a thread class, unjf thread series designator.

For pricing and availability of this machine screw submit the price quote form on the right.

Product Details

  • NSN:
    5305-01-479-0152 (5305014790152)
  • Thread Direction:
    Right-hand
  • Thread Length:
    Between 0.7420 inches and 0.7499 inches
  • Fastener Length:
    Between 0.8734 inches and 0.8931 inches
  • Head Style:
    Hexagon
  • Head Height:
    Between 0.156 inches and 0.171 inches
  • Width Flats:
    Between 0.367 inches and 0.376 inches
  • Internal Style:
    Cross recess type 1
  • Thread Diameter:
    0.312 inches
  • Thready (tpi):
    24
  • Screw Material:
    Stainless steel
  • Screw Specification:
    Ams 5731 assn standard single material response or ams 5737 assn standard single material response
  • Screw Treatment:
    Passivate
  • Screw Specification:
    Qq-p-35 federal specification single treatment response
  • Schedule B Code:
    7318152000

Classification

Bolts and bolts and their nuts or washers exported in the same shipment

Definition Machine Screw

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 Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
Cond. Code:
1
Status:
A

Part Materials

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
SCREW,MACHINE

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