NSN 1790-53

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications reference number differentiating characteristics, zzzy criticality code justification.

NSN 6810-01-172-2734 Datasheet

(NSN) National Stock Number

6810-01-172-2734

(FSG) Federal Supply Group

68 - Chemicals and Chemical Products

(FSC) Federal Supply Classification

6810 - Chemicals

(NIIN) National Item Identification Number

01-172-2734

Requires Demilitarization

Yes

(INC) Item Name Code

77777

Date

Sat, Feb 18, 1984

Schedule B Code

2825100000

Criticality Code Justification

zzzy

Reference Number Differentiating Characteristics

material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

Identification

Demilitarization Code

F - Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Precious Metals Indicator

A - Item does not contain precious metal.

Hazardous Metals Indicator

Y - Indicates information is in the hazardous materials information resource system (hmirs).

Pseudo Item Name Code

1302645

Cross Reference

CAGE Codes

91224

Hach Company Dba Hach Co

U.s./canadian manufacturers

Freight Information

Air Commodity

CD -

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

W - Corrosive materiels, un class 8 (corrosive label)

Uniform Freight Classification Item Number

23310

Water Commodity

635 - Chemicals, other than drugs or sundries

National Motor Freight Classification Item Number

043940

Schedule B & Trade

Schedule B

2825-10-0000

Description

hydrazine and hydroxylamine and their inorganic salts

End Use

12530 - Chemicals-inorganic

Unit of Quantity

KG

USDA

Yes

(SITC) Standard International Trade Classification

52268

(NAICS) North American Industrial Classification System

325180

Questions & Answers

1. What is the FSCG of the NSN 6810-01-172-2734?

   The FSCG of the NSN 6810-01-172-2734 is 6810

2. Does the NSN 6810-01-172-2734 have a Schedule B code assigned?

   Yes, the Schedule B code is 2825100000

3. Does NSN 6810-01-172-2734 require demilitarization?

   Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

4. Does NSN 6810-01-172-2734 contain precious materials?

   Item does not contain precious metal.

5. Does NSN 6810-01-172-2734 contain hazardous materials?

   Indicates information is in the hazardous materials information resource system (hmirs).

6. When the NSN 6810-01-172-2734 was assigned to the Federal Catalog?

   It was assigned 42 years ago, on Sat, Feb 18, 1984