AD31251-1

View detailed technical data, stock status, and sourcing information for: AD31251-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-031-3251

Item Name Code

29785

Assigment Date

11/22/1976 (49 years ago)

A rigid item of various shapes permanently attached to a structure of an aircraft, designed to provide access for inspection, service, replacement of components and/or adjustments. It is designed to be attached by means of hinges or similar device. It may include self-closing features and have a quick release or other type latching to permit access with a minimum of effort. It may include an observation window. Excludes:cover, access; cover access, aircraft; door, access; door, aircraft and all doors not specficially designed to provide access for the purposes listed above.

rectangle, four holes peripheral shape style, 6.500 inches nominal length, 6.500 inches nominal width, arched cross-sectional shape style, 0.312 inches minimum and 0.322 inches maximum 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: arched
Hole Diameter: 0.312 inches minimum and 0.322 inches maximum
Width: 6.500 inches nominal
Peripheral Shape Style: rectangle, four holes
Length: 6.500 inches nominal
Corner Radius: 0.750 inches nominal
Distance Between Holes Along Length: 5.000 inches nominal
Distance Between Holes Along Width: 5.000 inches nominal
Distance From First Hole Centerline To End Along Length: 0.750 inches nominal
Distance From First Hole Centerline To End Along Width: 0.750 inches nominal
Inside Corner Radius: 14.900 inches nominal
Body Thickness: 0.063 inches nominal
Securing Device Type: threaded fastener
Mounting Opening Shape Style: unthreaded hole
Material: aluminum alloy 2024
Material Document And Classification: ams 4040 alloy 2024 temp o assn std single material response
Surface Treatment: anodize

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
AD31251-1	Access Cover

FAQs

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

What is the FSCG of the NSN 5340-01-031-3251?

The FSCG of the NSN 5340-01-031-3251 is 5340

Does NSN 5340-01-031-3251 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 5340-01-031-3251 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-031-3251 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 5340-01-031-3251 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Mon, Nov 22, 1976