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Machine Screw

Model NAS1801-4-45

Quick Information about NAS1801-4-45

3a thread class, right-hand , 2.812 inches thread length, 2.812 inches fastener length, hexagon head style, 0.125 inches head height

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

Product Details

  • NSN:
    5305-01-603-6145 (5305016036145)
  • Thread Direction:
    Right-hand
  • Thread Length:
    2.812 inches
  • Fastener Length:
    2.812 inches
  • Head Style:
    Hexagon
  • Head Height:
    Between 0.125 inches and 0.140 inches
  • Width Flats:
    Between 0.367 inches and 0.376 inches
  • Internal Style:
    Cross recess type iii
  • Thread Diameter:
    0.250 inches
  • Thready (tpi):
    28
  • Min. (psi):
    160000 pounds per square inch
  • Screw Material:
    Steel comp 4340 or steel comp 8740
  • Screw Specification:
    Mils-s-5000 military specification single material response or mil-s-6049 military specification single material response or ams 6322 assn standard single material response
  • Screw Treatment:
    Cadmium
  • Screw Specification:
    Qq-p-416, type ii, class 2 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:
A
ESD:
A
MMAC:
CRITL:
X

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