205-040-121-1

View detailed technical data, stock status, and sourcing information for: 205-040-121-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-070-7838

Item Name Code

29785

Assigment Date

01/01/1963 (63 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.

2.994 inches minimum and 2.997 inches maximum outside diameter, 2.437 inches nominal inside diameter, circular recess cross-sectional shape style, round, one hole peripheral shape style, 0.279 inches nominal flange thickness

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: circular recess
Inside Diameter: 2.437 inches nominal
Flange Thickness: 0.279 inches nominal
Outside Diameter: 2.994 inches minimum and 2.997 inches maximum
Peripheral Shape Style: round, one hole
First Recess Inside Height: 0.254 inches nominal
Inside Corner Radius: 0.120 inches nominal
Body Thickness: 0.100 inches nominal
Securing Device Type: threaded fastener
Mounting Opening Shape Style: threaded hole
Bolt Hole Centerline To Nearest Edge Distance: 1.497 inches minimum and 1.498 inches maximum
Features Provided: sealing capability
Special Features: central threaded mounting hub 0.687 in. lg,0.500 in. dia threaded 0.375 in. deep,od center-grooved 0.188in. w by 2.7828 in. dia
Material: aluminum
Material Document And Classification: qq-a-268,t4 fed spec single material response or qq-a-355,t4 fed spec single material response
Fsc Application Data: transmission and mast assembly

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
205-040-121-001	Access Cover
205-040-121-1	Access Cover

FAQs

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

What is the FSCG of the NSN 5340-00-070-7838?

The FSCG of the NSN 5340-00-070-7838 is 5340

Does the NSN 5340-00-070-7838 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5340-00-070-7838 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 5340-00-070-7838 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-070-7838 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 5340-00-070-7838 was assigned to the Federal Catalog?

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