NSN 12469283

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.

0.750 inches nominal fastener length, 11.61 millimeters minimum and 11.91 millimeters maximum extended washer diameter, finished head features provided, 2.51 millimeters minimum and 3.02 millimeters maximum extended washer thickness, 7.77 millimeters minimum and 7.92 millimeters maximum head height.

NSN 5306-01-351-1744 Datasheet

(NSN) National Stock Number

5306-01-351-1744

(FSG) Federal Supply Group

53 - Hardware and Abrasives

(FSC) Federal Supply Classification

5306 - Bolts

(NIIN) National Item Identification Number

01-351-1744

Requires Demilitarization

Yes

(INC) Item Name Code

01847

Date

Thu, Jan 2, 1992

Extended Washer Diameter

11.61 millimeters minimum and 11.91 millimeters maximum

Extended Washer Thickness

2.51 millimeters minimum and 3.02 millimeters maximum

Fastener Length

0.750 inches nominal

Features Provided

finished head

Head Height

7.77 millimeters minimum and 7.92 millimeters maximum

Head Style

hexagon extended washer

Locking Feature

patch threads

Material Document And Classification

sae8640 assn std single material response overall

Material

steel comp 8640 overall

Minimum Tensile Strength

160000 pounds per square inch

Nominal Thread Diameter

0.312 inches

Surface Treatment Document And Classification

astmb117 assn std single treatment response overall

Surface Treatment

phosphate and oil overall

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.667 inches nominal

Thread Quantity Per Inch

24

Thread Series Designator

unf

Width Between Flats

7.912 millimeters minimum and 8.014 millimeters 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

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

0001847

Cross Reference

CAGE Codes

19207

U S Army Tank Automotive Command Amsta-Im-Mm

Government departments or units, including military organizations

30733

Lenco Dba Nlc Inc Electronis Div

U.s./canadian manufacturers

75Q65

Oshkosh Defense Llc

U.s./canadian manufacturers

K0239

Cobham Defence Communications Limited

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

Freight Information

Air Commodity

VZ -

Air Dimension

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

National Motor Freight Class Rating

Q - 70.0

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

48940

Water Commodity

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

National Motor Freight Classification Item Number

093470

Questions & Answers

1. What is the FSCG of the NSN 5306-01-351-1744?

   The FSCG of the NSN 5306-01-351-1744 is 5306

2. Does NSN 5306-01-351-1744 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 5306-01-351-1744 contain precious materials?

   Item does not contain precious metal.

4. Does NSN 5306-01-351-1744 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 5306-01-351-1744 was assigned to the Federal Catalog?

   It was assigned 34 years ago, on Thu, Jan 2, 1992