NSN 472-435

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.

5305-00-178-8635, screw.

NSN 5305-00-178-8635 Datasheet

(NSN) National Stock Number

5305-00-178-8635

(FSG) Federal Supply Group

53 - Hardware and Abrasives

(FSC) Federal Supply Classification

5305 - Screws

(NIIN) National Item Identification Number

00-178-8635

Requires Demilitarization

Yes

(INC) Item Name Code

77777

Date

Sun, Feb 18, 1973

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.

Source of Supply Code

S9I - Defense industrial supply center philadelphia, pennsylvania 19111

Pseudo Item Name Code

1505955

Cross Reference

CAGE Codes

09150

Ampex Data Systems Corp Computer Products Div

U.s./canadian manufacturers

Freight Information

Air Commodity

BZ -

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

48950

Water Commodity

713 - Metal hardware

National Motor Freight Classification Item Number

093486

Questions & Answers

1. What is the FSCG of the NSN 5305-00-178-8635?

   The FSCG of the NSN 5305-00-178-8635 is 5305

2. Does NSN 5305-00-178-8635 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 5305-00-178-8635 contain precious materials?

   Precious metal content is unknown

4. Does NSN 5305-00-178-8635 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 5305-00-178-8635 was assigned to the Federal Catalog?

   It was assigned 53 years ago, on Sun, Feb 18, 1973