Thumbscrew NSN 5305-01-237-1176

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: 5305-01-237-1176

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.265 inches and 0.297 inches

Fastener Length

0.906 inches

Head Style

Knurled no. 1

Head Diameter

0.312 inches

Head Height

Between 0.172 inches and 0.204 inches

First Diameter From Head

Between 0.073 inches and 0.083 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.625 inches

Point Style

Cone

Thread Diameter

0.112 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Material

Steel comp 303 or steel comp 303 plus x or steel comp 303ma or steel comp 303se

Material Specification

Astm a581 assn standard all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unc

FSC

5305 Screws

NIIN

012371176

NSN

5305012371176

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

6134U-SS-0440-7

Cage Code:

1YGB8

Status:

MSDS:

Part Number:

0N307597-3

Cage Code:

98230

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 5305-01-237-1176

What are the manufacturers of nsn 5305012371176?

Carey Manufacturing Company, Inc. (1YGB8)
National Security Agency (98230)
New Haven Mfg Corp (06540)

Does this nsn 5305012371176 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305012371176
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 5305012371176 contain any precious metals?
No precious metal content.

Does nsn 5305012371176 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305012371176?
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