Thumbscrew NSN 5305-01-174-0519

Item Description

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).

NSN: 5305-01-174-0519

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

0.487 inches

Fastener Length

1.059 inches

Head Style

Thumb no. 6

Head Height

0.625 inches

Width Between Flats

Between 0.076 inches and 0.079 inches

Shoulder Diameter

0.247 inches first shoulder and 0.249 inches first shoulder

Shoulder Length

0.150 inches first shoulder and 0.290 inches first shoulder

Point Style

Pointless

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Shoulder Shape

Round first shoulder

Special Features

0.112 diameter hole for plug at threaded end, 0.035 in. To 0.045 in. Wide by 0.024 in. To 0.034 in. Deep spline 3 places, spaced 120 degrees apart

Material

Steel comp 8740 fastener or steel comp 4140 fastener

Material Specification

Mil-s-6049 military specification single material response fastener or mil-s-5626 military specification single material response fastener

Surface Treatment

Passivate top of head

Surface Treatment Specification

Qq-p-416 type 2 cl 2 military specification single treatment response fastener

Thread Series Designator

Unf

FSC

5305 Screws

NIIN

011740519

NSN

5305011740519

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

CA21166-4-2

Cage Code:

29372

Status:

MSDS:

Part Number:

GS522Y4-2

Cage Code:

26512

Status:

MSDS:

Part Number:

FIT7833-4-2

Cage Code:

58998

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7318152000
NAICS: 332722
SITC: 69421
Description: Bolts and bolts and their nuts or washers exported in the same shipment
End Use (Code 12110):
Iron and steel products, other

Q & A

Frequently asked questions for NSN 5305-01-174-0519

What are the manufacturers of nsn 5305011740519?

Arconic Global Fasteners & Rings, (29372)
Northrop Grumman Systems Corporation (26512)
Fastener Innovation Technology, Inc. (58998)

Does this nsn 5305011740519 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305011740519
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).

Does nsn 5305011740519 contain any precious metals?
No precious metal content.

Does nsn 5305011740519 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305011740519?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

06673

FIIG:

A003B0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service