A-1991A

View detailed technical data, stock status, and sourcing information for: A-1991A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-399-7044

Item Name Code

04522

Assigment Date

12/03/1994 (31 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.

4.188 inches nominal aperture diameter, 4.812 inches nominal outside diameter, circular style designator, garlock 2900, cagec 73680 mfr ref single material response overall material document and classification

Product Characteristics

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

Outside Diameter: 4.812 inches nominal
Aperture Diameter: 4.188 inches nominal
Material Document And Classification: garlock 2900, cagec 73680 mfr ref single material response overall
Style Designator: circular

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
72-13 NON-ASBESTOS	Gasket
72-13-5	Gasket
72-13-5 NON-ASBESTOS	Gasket
72-13-5 NONASBE STOS	Gasket
A-1991A	Gasket

FAQs

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

What is the FSCG of the NSN 5330-01-399-7044?

The FSCG of the NSN 5330-01-399-7044 is 5330

Does NSN 5330-01-399-7044 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 5330-01-399-7044 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-399-7044 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 5330-01-399-7044 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Sat, Dec 3, 1994