NSN 2020203M0700MOD2

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

4820-01-729-1249, safety relief valve.

NSN 4820-01-729-1249 Datasheet

(NSN) National Stock Number

4820-01-729-1249

(FSG) Federal Supply Group

48 - Valves

(FSC) Federal Supply Classification

4820 - Nonpowered Valves

(NIIN) National Item Identification Number

01-729-1249

Requires Demilitarization

Yes

(INC) Item Name Code

05488

Date

Wed, Apr 30, 2025

Schedule B Code

8481400000

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

0005488

Cross Reference

CAGE Codes

15187

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

U.s./canadian manufacturers

96169

Electric Boat Corporation Div General Dynamics Electric Boat

Non-manufacturers

Freight Information

Schedule B & Trade

Schedule B

8481-40-0000

Description

safety or relief valves

End Use

21180 - Industrial machines, other

Unit of Quantity

NO

USDA

Yes

(SITC) Standard International Trade Classification

74740

(NAICS) North American Industrial Classification System

332911

Questions & Answers

1. What is the FSCG of the NSN 4820-01-729-1249?

   The FSCG of the NSN 4820-01-729-1249 is 4820

2. Does the NSN 4820-01-729-1249 have a Schedule B code assigned?

   Yes, the Schedule B code is 8481400000

3. Does NSN 4820-01-729-1249 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 4820-01-729-1249 contain precious materials?

   Item does not contain precious metal.

5. Does NSN 4820-01-729-1249 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 4820-01-729-1249 was assigned to the Federal Catalog?

   It was assigned 1 year ago, on Wed, Apr 30, 2025