20311-1

View detailed technical data, stock status, and sourcing information for: 20311-1
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Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

2520 Vehicular Power Transmission Components

National Stock Number

2520-00-689-3402

Item Name Code

11034

Assigment Date

02/08/1971 (55 years ago)

An item of solid one-piece construction, designed to restrict the flow of a fluid through it. It has an orifice of a smaller size than the diameter of flow into it. Excludes:items such as valve (1), (as modified); and others with an adjustable orifice. Excludes:pipe, tube, or hose fittings with restricted passages and items designed to test fluid flow. For items containing screens or filters, see restrictor unit, fluid flow.

1/8-27 npt thread size and series/type designator, 0.440 inches maximum overall length, threaded connection type, 0.440 in.w hex across flats special features, m109; armored multi-purpose vehicle (ampv); a4 bradley fighting vehicle; a3 bradley fighting vehicle 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.

Overall Length: 0.440 inches maximum
End Item Identification: m109; armored multi-purpose vehicle (ampv); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Connection Type: threaded
Special Features: 0.440 in.w hex across flats
Thread Size And Series/Type Designator: 1/8-27 npt

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
10424097	Breather
11640203	Breather
20311-1	Breather
MV001A	Breather

FAQs

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

What is the FSCG of the NSN 2520-00-689-3402?

The FSCG of the NSN 2520-00-689-3402 is 2520

Does the NSN 2520-00-689-3402 have a Schedule B code assigned?

Yes, the Schedule B code is 8483909500

Does NSN 2520-00-689-3402 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 2520-00-689-3402 contain precious materials?

Item does not contain precious metal.

Does NSN 2520-00-689-3402 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 2520-00-689-3402 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Feb 8, 1971