Model: NAS1801-08-26

Machine Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.577 inches and 1.592 inches

Fastener Length

Between 1.609 inches and 1.656 inches

Head Style

Hexagon

Head Height

Between 0.096 inches and 0.110 inches

Width Between Flats

Between 0.243 inches and 0.251 inches

Internal Drive Style

Cross recess type ii

Thread Diameter

0.1640 inches

Document Type

International organization for standardization

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Part Name Assigned By Controlling Agency

Screw, machine

Screw Material

Steel comp 4140 or steel comp 4340 or steel comp 8740

Screw Material Specification

Ams6382 assn standard 1st material response or ams6415 assn standard 2nd material response or ams6484 assn standard 3rd material response or ams6325 assn standard 4th material response or ams6327 assn standard 5th material response

Screw Surface Treatment

Cadmium

Screw Surface Treatment Specification

Ams-qq-p-416 type ii, class 2 assn standard single treatment response

Thread Series Designator

Unjc

Specification Data

80205-nas1801-08-26 professional/industrial association standard

NSN

5305-01-615-0556

Part Number

NAS1801-08-26

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 NAS1801-08-26 NSN 5305-01-615-0556

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06657

FIIG:

A500D0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

WCC:

72E

TCC:

SHC:

ACC:

Construction Materials

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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