1608-3

View detailed technical data, stock status, and sourcing information for: 1608-3
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Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

2590 Miscellaneous Vehicular Components

National Stock Number

2590-01-294-1779

Item Name Code

30128

Assigment Date

02/11/1989 (37 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

lobes gripping accommodation type, chain retaining device type, 2.000 inches nominal outside diameter, copper alloy body material, nonpressurized system for which designed

Product Characteristics

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

Gripping Accommodation Type: lobes
Outside Diameter: 2.000 inches nominal
System For Which Designed: nonpressurized
Retaining Device Type: chain
Material: copper alloy body
Style Designator: vented threaded type (internal)

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
1608-3	Filler Opening Cap
B4826	Filler Opening Cap

FAQs

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

What is the FSCG of the NSN 2590-01-294-1779?

The FSCG of the NSN 2590-01-294-1779 is 2590

Does the NSN 2590-01-294-1779 have a Schedule B code assigned?

Yes, the Schedule B code is 8309100000

Does NSN 2590-01-294-1779 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 2590-01-294-1779 contain precious materials?

Item does not contain precious metal.

Does NSN 2590-01-294-1779 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 2590-01-294-1779 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Feb 11, 1989