1888135

View detailed technical data, stock status, and sourcing information for: 1888135
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-531-2030

Item Name Code

06672

Assigment Date

01/01/1963 (63 years ago)

A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.

headless (setscrew) head style, 0.234 inches nominal fastener length, right-hand thread direction, 0.234 inches maximum thread length, 3a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.234 inches maximum
Fastener Length: 0.234 inches nominal
Head Style: headless (setscrew)
Point Style: cup
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Features Provided: casehardened
Thread Quantity Per Inch: 32
Material: steel comp 1212 overall
Surface Treatment: zinc overall
Thread Series Designator: unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1883235	Setscrew
1888135	Setscrew
412335	Setscrew
5312030	Setscrew

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-531-2030?

The FSCG of the NSN 5305-00-531-2030 is 5305

Does the NSN 5305-00-531-2030 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-531-2030 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-00-531-2030 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-531-2030 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-00-531-2030 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963