Model: NAS1081C4A8N

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.500 inches

Fastener Length

0.500 inches

Head Style

Headless (setscrew)

Locking Feature

Patch threads or strip threads or slotted threads

Point Length

0.001 inches

Point Diameter

Between 0.118 inches and 0.132 inches

Point Style

Flat

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

Between 0.125 inches and 0.127 inches

Thready Qty Per Inch (tpi)

Point Chamfer Angle

Between 116.0 degrees and 120.0 degrees

Material

Steel comp 303se

Material Specification

Ams 5640 type 1 or 2 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35, type ii federal specification single treatment response

Thread Series Designator

Unjf

NSN

5305-01-497-3975

Part Number

NAS1081C4A8N

Description

Setscrew

CAGE

1E0F1

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part NAS1081C4A8N NSN 5305-01-497-3975

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

FIIG:

A003B0

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

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