NSN R418F4

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, 0.438 inches nominal thread size, unable to decode material document and classification, double hexagon nut style, prevailing torque all metal design locking feature.

NSN 5310-00-596-8166 Datasheet

(NSN) National Stock Number

5310-00-596-8166

(FSG) Federal Supply Group

53 - Hardware and Abrasives

(FSC) Federal Supply Classification

5310 - Nuts and Washers

(NIIN) National Item Identification Number

00-596-8166

Requires Demilitarization

Yes

(INC) Item Name Code

29729

Date

Tue, Jan 1, 1963

Schedule B Code

7318160000

Locking Feature

prevailing torque all metal design

Material Document And Classification

unable to decode

Material

Nominal Thread Size

0.438 inches

Nut Style

double hexagon

Overall Height

0.454 inches minimum and 0.469 inches maximum

Precious Material

silver

Surface Treatment Document And Classification

unable to decode

Surface Treatment

unable to decode

Temp Rating

800.0 fahrenheit nominal

Thread Class

3b

Thread Direction

right-hand

Thread Quantity Per Inch

20

Thread Series

unf

Washer Outside Diameter

0.692 inches maximum

Washer Thickness

0.097 inches nominal

Width Across Flats

0.553 inches minimum and 0.564 inches maximum

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

S - Item contains silver.

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

0029729

Cross Reference

CAGE Codes

019L2

Esna, Llc

U.s./canadian manufacturers

72962

Harvard Industries Inc

U.s./canadian manufacturers

07482

General Electric Company

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

573 - Bolts or nuts (iron or steel),(less than 35 feet)

National Motor Freight Classification Item Number

093486

Schedule B & Trade

Schedule B

7318-16-0000

Description

nuts of iron or steel

End Use

12300 - Finished metal shapes

Unit of Quantity

KG

USDA

Yes

(SITC) Standard International Trade Classification

69421

(NAICS) North American Industrial Classification System

332722

Questions & Answers

1. What is the FSCG of the NSN 5310-00-596-8166?

   The FSCG of the NSN 5310-00-596-8166 is 5310

2. Does the NSN 5310-00-596-8166 have a Schedule B code assigned?

   Yes, the Schedule B code is 7318160000

3. Does NSN 5310-00-596-8166 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 5310-00-596-8166 contain precious materials?

   Item contains silver.

5. Does NSN 5310-00-596-8166 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 5310-00-596-8166 was assigned to the Federal Catalog?

   It was assigned 63 years ago, on Tue, Jan 1, 1963