Model: 900999-6872

Thumbscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.470 inches and 0.530 inches

Fastener Length

Between 0.470 inches and 0.530 inches

Head Style

Knurled no. 1

Head Diameter

Between 0.360 inches and 0.390 inches

Head Height

Between 1.470 inches and 1.530 inches

Point Style

Pointless

Thread Diameter

0.164 inches

Thready Qty Per Inch (tpi)

Part Name Assigned By Controlling Agency

Navy special project

Material

Aluminum alloy 2024

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625 type 2 military specification single treatment response

Thread Series Designator

Unc

NSN

5305-00-978-8000

Part Number

900999-6872

Description

Thumbscrew

CAGE

06481

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 900999-6872 NSN 5305-00-978-8000

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: 7616106000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Threaded fasteners of aluminum