Model: NAS1189-3T12B

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.750 inches

Fastener Length

Between 0.719 inches and 0.750 inches

Head Style

Flat countersunk

Head Diameter

Between 0.371 inches and 0.385 inches

Locking Feature

Patch locking feature

Internal Drive Style

Offset cruciform (torque set)

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Material

Steel comp 8740 or steel comp 4140 or steel comp 4340 or steel comp e4340 or steel comp 8735 or steel comp 6150

Material Specification

Ams6322 assn standard 1st material response or mil-s-6049 military specification 1st material response or ams6382 assn standard 2nd material response or mil-s-5626 military specification 2nd material response or ams6415 assn standard 3rd material response or mil-s-5000 military specification 4th material response or mil-s-6098 military specification 5th material response or mil-s-8503 military specification all material responses

Thread Series Designator

Unjf

NSN

5305-01-545-5792

Part Number

NAS1189-3T12B

Description

Screw,cap,socket Head

CAGE

80205

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part NAS1189-3T12B NSN 5305-01-545-5792

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

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:

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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