4820-01-237-9551

Find complete technical information, availability, and procurement data for: 4820-01-237-9551
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-237-9551

Item Name Code

77777

Assigment Date

08/07/1986 (39 years ago)

zzzy criticality code justification, overall diameter 3.250 in.,overall height 0.937 in.,2.687-12 uns-2b thd. by 0.437 in. long,1.562 in. dia.th ru hole,4 groves 0.375 in. wide by 0.125 in. deep equally spaced general characteristics item description, quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items reference number differentiating characteristics

Product Characteristics

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

Criticality Code Justification: zzzy
General Characteristics Item Description: overall diameter 3.250 in.,overall height 0.937 in.,2.687-12 uns-2b thd. by 0.437 in. long,1.562 in. dia.th ru hole,4 groves 0.375 in. wide by 0.125 in. deep equally spaced
Reference Number Differentiating Characteristics: quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

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
D3791 ITEM 14 1/2 IN	Cover Nut
D3791 ITEM 14 1/2 INL1	Cover Nut

FAQs

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

What is the FSCG of the NSN 4820-01-237-9551?

The FSCG of the NSN 4820-01-237-9551 is 4820

Does NSN 4820-01-237-9551 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 4820-01-237-9551 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-237-9551 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 4820-01-237-9551 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Aug 7, 1986