21338-1003-1

View detailed technical data, stock status, and sourcing information for: 21338-1003-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-456-3037

Item Name Code

36944

Assigment Date

06/09/1998 (28 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

78062 valve design control activity, 5.275 inches nominal overall length, 0.735 inches nominal outside diameter, 0.495 inches nominal inside diameter, valve; weapon code jg, seawolf class cvn end item identification

Product Characteristics

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

Inside Diameter: 0.495 inches nominal
Outside Diameter: 0.735 inches nominal
Overall Length: 5.275 inches nominal
End Item Identification: valve; weapon code jg, seawolf class cvn
Valve Design Control Activity: 78062
Material: steel comp 416
Surface Treatment: chromium

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
21338 FIND 14	Valve Piston
21338-1003	Valve Piston
21338-1003-1	Valve Piston

FAQs

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

What is the FSCG of the NSN 4820-01-456-3037?

The FSCG of the NSN 4820-01-456-3037 is 4820

Does the NSN 4820-01-456-3037 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-456-3037 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 4820-01-456-3037 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-456-3037 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 4820-01-456-3037 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Tue, Jun 9, 1998