Model: 90179D578

Thumbscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.358 inches and 0.469 inches

Fastener Length

Between 0.469 inches and 0.531 inches

Head Style

Thumb no. 3

Head Height

Between 0.710 inches and 0.790 inches

Width Between Flats

Between 0.650 inches and 0.790 inches

Shoulder Diameter

0.550 inches first shoulder and 0.590 inches first shoulder

Point Style

Flat

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Shoulder Shape

Round first shoulder

Material

Steel

Material Specification

66 federal standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, class 3 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-00-844-5483

Part Number

90179D578

Description

Thumbscrew

CAGE

39428

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 90179D578 NSN 5305-00-844-5483

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this thumbscrew (NSN 5305-00-844-5483) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

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