4820-01-133-4968

Find complete technical information, availability, and procurement data for: 4820-01-133-4968
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-133-4968

Item Name Code

77777

Assigment Date

06/15/1982 (44 years ago)

A flanged cylindrical metallic item designed to be used on tubing to back up the flared end and to provide a bearing surface for the coupling nut, thereby reducing wear on the tubing flare. The inside diameter of the flanged end is countersunk to form a seat for the flare when assembled to a mating fitting.

7.000 in. od; with four 5/16 in. 18 unc thd size holes equally spaced on top and two 1-7/8 in. 12 un thd size holes equally spaced on periphery; one hole 0.250 in. dia by 1.000 in. deep located on top general characteristics item description, kidd class ddg, spruance class dd (963), wasp class lhd, ticonderoga class cg (47). end item identification, weapon system essential special features, feat criticality code justification

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: kidd class ddg, spruance class dd (963), wasp class lhd, ticonderoga class cg (47).
Criticality Code Justification: feat
Special Features: weapon system essential
General Characteristics Item Description: 7.000 in. od; with four 5/16 in. 18 unc thd size holes equally spaced on top and two 1-7/8 in. 12 un thd size holes equally spaced on periphery; one hole 0.250 in. dia by 1.000 in. deep located on top

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
4891152	Reducer Valve Test Fixture
S12595 PART TF1152	Reducer Valve Test Fixture
S12599	Reducer Valve Test Fixture
S12599 SHEET 18	Reducer Valve Test Fixture
TF1152	Reducer Valve Test Fixture

FAQs

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

What is the FSCG of the NSN 4820-01-133-4968?

The FSCG of the NSN 4820-01-133-4968 is 4820

Does the NSN 4820-01-133-4968 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-133-4968 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 4820-01-133-4968 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-133-4968 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 4820-01-133-4968 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Jun 15, 1982