Model: A3178029-1

Thumbscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.250 inches

Fastener Length

1.750 inches

Head Style

Knurled no. 1

Head Diameter

1.000 inches

Head Height

0.500 inches

End Application

5895-01-476-7819

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Material

Stainless steel

Material Specification

Qq-s-784 federal specification single material response

Surface Treatment

Plastic polytetrafluoroethylene

Surface Treatment Specification

Mil-f-14077 military specification single treatment response

Thread Series Designator

Unc

NSN

5305-01-496-0184

Part Number

A3178029-1

Description

Thumbscrew

CAGE

80063

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

Part A3178029-1 NSN 5305-01-496-0184

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06673

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