4820-01-377-7476

Find complete technical information, availability, and procurement data for: 4820-01-377-7476
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-377-7476

Item Name Code

22113

Assigment Date

07/24/1993 (33 years ago)

An item having internal and/or external machine thread(s) (threads other than pipe or hose series), specifically designed to retain, by means or groove(s), shoulder(s), and the like, packing and/or a packing gland within a stuffing box. See also bushing, machine thread; inverted nut, tube coupling; and nut, tube coupling. Excludes:packing nut, stuffing tube; and use with electrical cable, and locknut, pipe.

2a first threaded portion thread class, 1.250 inches nominal overall height, 0.470 inches nominal first threaded portion thread length, 0.375 inches nominal second threaded portion thread length, 2a second threaded portion thread class

Product Characteristics

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

Thread Class: 2a first threaded portion
Thread Class: 2a second threaded portion
Thread Length: 0.470 inches nominal first threaded portion
Thread Length: 0.375 inches nominal second threaded portion
Overall Height: 1.250 inches nominal
Body Inside Diameter: 0.750 inches nominal
Thread Quantity Per Inch: 16 first threaded portion
Nominal Thread Size: 0.688 inches first threaded portion
Nominal Thread Size: 1.125 inches second threaded portion
Seating Surface Shape: flat
Material: steel comp 303 overall
Style Designator: double flanged
Thread Series Designator: un first threaded portion
Thread Series Designator: unef second threaded portion

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
14591001156	Valve Seat
B14591.001.156	Valve Seat
SW107 FIND 4	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-377-7476?

The FSCG of the NSN 4820-01-377-7476 is 4820

Does the NSN 4820-01-377-7476 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-377-7476 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 4820-01-377-7476 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-377-7476 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 4820-01-377-7476 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Jul 24, 1993