4820-00-388-1948

Find complete technical information, availability, and procurement data for: 4820-00-388-1948
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-00-388-1948 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-388-1948

Item Name Code

22113

Assigment Date

01/01/1963 (63 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.

3.882 inches minimum and 3.883 inches maximum body outside diameter, 0.625 inches nominal overall height, 35.000 minimum and 55.000 maximum seat angle in deg, angular seating surface shape, 3.125 inches nominal body inside diameter

Product Characteristics

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

Overall Height: 0.625 inches nominal
Body Outside Diameter: 3.882 inches minimum and 3.883 inches maximum
Body Inside Diameter: 3.125 inches nominal
Seat Angle In Deg: 35.000 minimum and 55.000 maximum
Seating Surface Shape: angular
Material: steel overall
Style Designator: plain

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
GSB-11-S#1	Valve Seat
GSB11SNUMBER1	Valve Seat
GSBA11CPC80	Valve Seat
GSBF11PC80	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-388-1948?

The FSCG of the NSN 4820-00-388-1948 is 4820

Does the NSN 4820-00-388-1948 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-388-1948 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 4820-00-388-1948 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-388-1948 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 4820-00-388-1948 was assigned to the Federal Catalog?

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