NSN 28090

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

3740-00-077-3973, relief valve.

NSN 3740-00-077-3973 Datasheet

(NSN) National Stock Number

3740-00-077-3973

(FSG) Federal Supply Group

37 - Agricultural Machinery and Equipment

(FSC) Federal Supply Classification

3740 - Frost Control Equipment, Disease and Pest

(NIIN) National Item Identification Number

00-077-3973

Requires Demilitarization

Yes

(INC) Item Name Code

77777

Date

Fri, Jan 1, 1960

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

U - Precious metal content is unknown

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

1652789

Cross Reference

CAGE Codes

00198

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.

Non-us manufacturer (nato), other foreign organization or codification bureaus

020J3

Durand-Wayland Inc Div John Bean Sprayers

U.s./canadian manufacturers

06350

Asset Systems, Inc. Dba Asset Systems Inc

Non-manufacturers

18068

Astrocom Electronics Inc

U.s./canadian manufacturers

22888

Fmc Corp

U.s./canadian manufacturers

24161

Gates Corporation

U.s./canadian manufacturers

53762

Seagrave Corp the

U.s./canadian manufacturers

65092

Solartron Electronics Inc Weston Instruments Div

U.s./canadian manufacturers

Freight Information

Questions & Answers

1. What is the FSCG of the NSN 3740-00-077-3973?

   The FSCG of the NSN 3740-00-077-3973 is 3740

2. Does NSN 3740-00-077-3973 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.

3. Does NSN 3740-00-077-3973 contain precious materials?

   Precious metal content is unknown

4. Does NSN 3740-00-077-3973 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.

5. When the NSN 3740-00-077-3973 was assigned to the Federal Catalog?

   It was assigned 66 years ago, on Fri, Jan 1, 1960