255773PC11

View detailed technical data, stock status, and sourcing information for: 255773PC11
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-057-4119

Item Name Code

22113

Assigment Date

03/12/1978 (48 years ago)

0.438 inches nominal overall height, 1.688 inches nominal body inside diameter, radial seating surface shape, 0.500 inches nominal seat radius, 2.871 inches minimum and 2.873 inches maximum body outside 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: 0.438 inches nominal
Body Outside Diameter: 2.871 inches minimum and 2.873 inches maximum
Body Inside Diameter: 1.688 inches nominal
Seat Radius: 0.500 inches nominal
Seating Surface Shape: radial
Special Features: with 6 equally spaced grooves 1/4 in. radius by 3/32 in. deep
Material: plastic polyamide (nylon) overall
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-300-7251	No Name Available	04/01/1991

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
255753PC11	Valve Seat
255773PC11	Valve Seat
2640-801X02PIEC	Valve Seat
2640-801X02PIECE 10	Valve Seat
2643-785-10 ITEM 10	Valve Seat
516-4775906ITEM	Valve Seat
516-4775906ITEM 30	Valve Seat
56-97-0624	Valve Seat
7284884 PC 10	Valve Seat
845-7285243 ITEM 10	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-057-4119?

The FSCG of the NSN 4820-01-057-4119 is 4820

Does the NSN 4820-01-057-4119 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-057-4119 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 4820-01-057-4119 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-057-4119 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 4820-01-057-4119 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Mar 12, 1978