NSN SA87255

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

steel corrosion resisting material, 4.400 inches nominal outside diameter, 3.368 inches nominal overall length, 1.625-12 un rh internally threaded for valve stem; predrilled disk hole special features.

NSN 4820-01-031-9251 Datasheet

(NSN) National Stock Number

4820-01-031-9251

(FSG) Federal Supply Group

48 - Valves

(FSC) Federal Supply Classification

4820 - Nonpowered Valves

(NIIN) National Item Identification Number

01-031-9251

Requires Demilitarization

Yes

(INC) Item Name Code

35917

Date

Sat, Dec 4, 1976

Schedule B Code

8481909090

Material

steel corrosion resisting

Outside Diameter

4.400 inches nominal

Overall Length

3.368 inches nominal

Special Features

1.625-12 un rh internally threaded for valve stem; predrilled disk hole

Identification

Demilitarization Code

A - 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.

Precious Metals Indicator

A - Item does not contain precious metal.

Hazardous Metals Indicator

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0035917

Cross Reference

CAGE Codes

15187

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

U.s./canadian manufacturers

Freight Information

Air Commodity

VZ -

Air Dimension

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

National Motor Freight Class Rating

W - Rating variable

Special Handling

9 - Other or no special handling required (sh)

Type of Cargo

Z - No special type of cargo code applicable

Uniform Freight Classification Item Number

29300

Water Commodity

576 - Metal and metal products, nos, (less than 35 feet)

National Motor Freight Classification Item Number

051080

Schedule B & Trade

Schedule B

8481-90-9090

Description

parts of taps, cocks, valves and similar appliances, nesoi

End Use

21180 - Industrial machines, other

Unit of Quantity

KG

USDA

Yes

(SITC) Standard International Trade Classification

74790

(NAICS) North American Industrial Classification System

332911

Questions & Answers

1. What is the FSCG of the NSN 4820-01-031-9251?

   The FSCG of the NSN 4820-01-031-9251 is 4820

2. Does the NSN 4820-01-031-9251 have a Schedule B code assigned?

   Yes, the Schedule B code is 8481909090

3. Does NSN 4820-01-031-9251 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.

4. Does NSN 4820-01-031-9251 contain precious materials?

   Item does not contain precious metal.

5. Does NSN 4820-01-031-9251 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.

6. When the NSN 4820-01-031-9251 was assigned to the Federal Catalog?

   It was assigned 49 years ago, on Sat, Dec 4, 1976