581657-002

View detailed technical data, stock status, and sourcing information for: 581657-002
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Federal Supply Group

Construction and Building Materials

Federal Supply Classification

5640 Thermal Insulation Materials, Building Paper and Wallboard

National Stock Number

5640-01-469-7577

Item Name Code

77777

Assigment Date

11/23/1999 (26 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

white color, 204.000 inches nominal overall length, 1.000 inches nominal overall width, air separation unit, spares end item identification, adhesive back; 0.250 in thick general characteristics item description

Product Characteristics

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

Overall Length: 204.000 inches nominal
Overall Width: 1.000 inches nominal
End Item Identification: air separation unit, spares
Color: white
General Characteristics Item Description: adhesive back; 0.250 in thick

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
581657-002	Foam Tape
93655K15	Foam Tape
93655K25	Foam Tape

FAQs

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

What is the FSCG of the NSN 5640-01-469-7577?

The FSCG of the NSN 5640-01-469-7577 is 5640

Does NSN 5640-01-469-7577 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 5640-01-469-7577 contain precious materials?

Item does not contain precious metal.

Does NSN 5640-01-469-7577 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 5640-01-469-7577 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Tue, Nov 23, 1999