5340-01-171-1890

Find complete technical information, availability, and procurement data for: 5340-01-171-1890
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-171-1890

Item Name Code

29785

Assigment Date

02/04/1984 (42 years ago)

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.

flat cross-sectional shape style, round, multi holes peripheral shape style, 4.500 inches nominal outside diameter, 4.188 inches nominal bolt circle diameter, 0.188 inches nominal hole diameter

Product Characteristics

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

Cross-Sectional Shape Style: flat
Hole Diameter: 0.188 inches nominal
Bolt Circle Diameter: 4.188 inches nominal
Outside Diameter: 4.500 inches nominal
Peripheral Shape Style: round, multi holes
Bolt Circle Hole Quantity: 8
Body Thickness: 0.101 inches minimum and 0.125 inches maximum
Securing Device Type: threaded fastener
Mounting Opening Shape Style: unthreaded hole
Special Features: 0.164-32 threaded hole,located 1.719 in from center
Material: aluminum alloy

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
2925027A	Access Cover
5187340	Access Cover

FAQs

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

What is the FSCG of the NSN 5340-01-171-1890?

The FSCG of the NSN 5340-01-171-1890 is 5340

Does NSN 5340-01-171-1890 require demilitarization?

Usml items - mutilation to the point of scrap required worldwide. (note 7).

Does NSN 5340-01-171-1890 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-171-1890 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-171-1890 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Feb 4, 1984