5330-00-640-8557

Find complete technical information, availability, and procurement data for: 5330-00-640-8557
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-640-8557

Item Name Code

20256

Assigment Date

01/01/1963 (63 years ago)

A circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. It is supplied in various cross-sectional shapes and is designed to be installed in a cylinder, shock strut, or similar device to remove excess oil, dirt, ice, and/or foreign material from a piston, ram, or sliding rod. Excludes:packing, preformed; ring, piston; and seal ring, metal.

4.407 inches nominal outside diameter, 4.000 inches nominal inside diameter, outside grooved, straight face cross-sectional shape style, 0.156 inches nominal material thickness, concentric ring style

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: outside grooved, straight face
Inside Diameter: 4.000 inches nominal
Outside Diameter: 4.407 inches nominal
Material Thickness: 0.156 inches nominal
Ring Style: concentric
Outer Edge Thickness: 0.125 inches nominal
Joint Style: diagonal joint
Test Data Document: "81349-mil-s-5049 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Fsc Application Data: hydraulic system,acft

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1650-00-294-1370	No Name Available	01/01/1963

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
197S37	Wiper Ring
DRI-37	Wiper Ring
FWR-3C-37	Wiper Ring
GI 1171-37	Wiper Ring
ISR-37	Wiper Ring
MS28776M2-37	Wiper Ring
OAS-37	Wiper Ring
SRC-37	Wiper Ring

FAQs

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

What is the FSCG of the NSN 5330-00-640-8557?

The FSCG of the NSN 5330-00-640-8557 is 5330

Does the NSN 5330-00-640-8557 have a Schedule B code assigned?

Yes, the Schedule B code is 8412909005

Does NSN 5330-00-640-8557 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 5330-00-640-8557 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-640-8557 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 5330-00-640-8557 was assigned to the Federal Catalog?

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