4820-00-974-9259

Find complete technical information, availability, and procurement data for: 4820-00-974-9259
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-974-9259

Item Name Code

37648

Assigment Date

10/05/1966 (59 years ago)

66b fed std single material response overall material document and classification, zinc surface treatment, 5420-00-889-2020 end item identification, 1.170 in. o/a lg; 0.375 in. across hex flats; 0.100 in. lg hex; 0.78125 in. valve end to nearest hex shoulder; barbed ty hose conn,0.171875 in. from hex shoulder to nearest edgeof barbed hose conn; 0.1875 in. smallest dia,0.3125 in. largest dia,hose conn; 0.296875 in. lg hose conn; valve seat,0.277 in. largest od of taper,0.090 in. lg taper,0.280 in. lg excluding thd portion,0.220 in. c of inlet hole to valve end; 0.094 in. dia inlet hole; ext thd,3/8-24,unf,rh,cl 3a,0.410 in. lg; 0.125 in. dia drain hole,1.000 in. lg special features, steel comp 1015 or steel comp 1212 overall material

Product Characteristics

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

End Item Identification: 5420-00-889-2020
Special Features: 1.170 in. o/a lg; 0.375 in. across hex flats; 0.100 in. lg hex; 0.78125 in. valve end to nearest hex shoulder; barbed ty hose conn,0.171875 in. from hex shoulder to nearest edgeof barbed hose conn; 0.1875 in. smallest dia,0.3125 in. largest dia,hose conn; 0.296875 in. lg hose conn; valve seat,0.277 in. largest od of taper,0.090 in. lg taper,0.280 in. lg excluding thd portion,0.220 in. c of inlet hole to valve end; 0.094 in. dia inlet hole; ext thd,3/8-24,unf,rh,cl 3a,0.410 in. lg; 0.125 in. dia drain hole,1.000 in. lg
Material: steel comp 1015 or steel comp 1212 overall
Material Document And Classification: 66b fed std single material response overall
Surface Treatment: zinc

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
10916086	Hydraulic System Bleeder Valve
2530009749259	Hydraulic System Bleeder Valve

FAQs

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

What is the FSCG of the NSN 4820-00-974-9259?

The FSCG of the NSN 4820-00-974-9259 is 4820

Does the NSN 4820-00-974-9259 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-974-9259 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 4820-00-974-9259 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-974-9259 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 4820-00-974-9259 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Oct 5, 1966