Model: 10556521

Thumbscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.359 inches and 0.407 inches

Fastener Length

Between 1.109 inches and 1.141 inches

Head Style

Knurled no. 1

Head Diameter

Between 0.984 inches and 1.016 inches

Head Height

Between 0.234 inches and 0.266 inches

Point Style

Flat

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Material

Steel comp 303 or steel comp 303se

Material Specification

Astm a582 assn standard single material response

Surface Treatment

Oxide

Surface Treatment Specification

Mil-c-13924 class 4 military specification single treatment response

Thread Series Designator

Unf

NSN

5305-00-403-0979

Part Number

10556521

Description

Thumbscrew

CAGE

19200

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 10556521 NSN 5305-00-403-0979

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:

653

TCC:

SHC:

ACC:

Engineer Supplies

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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