NSN 56B17C

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.

0.875 inches nominal distance across wrenching surface flats, 2 male snap-on accommodated contact type and quantity, 0.438 inches mounting facility nominal screw thread diameter, gasket features provided, unf mounting facility screw thread series designator.

NSN 6685-00-249-7668 Datasheet

(NSN) National Stock Number

6685-00-249-7668

(FSG) Federal Supply Group

66 - Instruments and Laboratory Equipment

(FSC) Federal Supply Classification

6685 - Humidity Measuring and Controlling Instruments, Temperature and Pressure

(NIIN) National Item Identification Number

00-249-7668

Requires Demilitarization

Yes

(INC) Item Name Code

20340

Date

Fri, Feb 28, 1969

Schedule B Code

9027502000

Accommodated Contact Type And Quantity

2 male snap-on

Distance Across Wrenching Surface Flats

0.875 inches nominal

Features Provided

gasket

Mounting Facility Nominal Screw Thread Diameter

0.438 inches

Mounting Facility Screw Thread Series Designator

unf

Mounting Facility Type And Quantity

1 thread

Mounting Thread Quantity

20 per inch

Operating Temp Range

-70.0 to 300.0 celsius

Outside Diameter

0.250 inches nominal

Overall Length

2.125 inches nominal

Style Designator

transmitter, 24v dc

Special Features

special calibration one half tolerances of milb7990

Thread Length

0.281 inches nominal

Unit Type

protective tube

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

P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

Source of Supply Code

S9G - Defense supply center richmond, virginia 23297

Pseudo Item Name Code

0020340

Cross Reference

CAGE Codes

35918

Horizon Aerospace Llc Dba Magnetics Division

U.s./canadian manufacturers

Freight Information

Air Commodity

HZ -

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

34580

Water Commodity

658 - Electrical appliances, small

National Motor Freight Classification Item Number

061700

Schedule B & Trade

Schedule B

9027-50-2000

Description

thermal analysis instruments and apparatus

End Use

21600 - Laboratory testing instruments

Unit of Quantity

NO

USDA

Yes

(SITC) Standard International Trade Classification

87445

(NAICS) North American Industrial Classification System

334516

Questions & Answers

1. What is the FSCG of the NSN 6685-00-249-7668?

   The FSCG of the NSN 6685-00-249-7668 is 6685

2. Does the NSN 6685-00-249-7668 have a Schedule B code assigned?

   Yes, the Schedule B code is 9027502000

3. Does NSN 6685-00-249-7668 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 6685-00-249-7668 contain precious materials?

   Item does not contain precious metal.

5. Does NSN 6685-00-249-7668 contain hazardous materials?

   Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

6. When the NSN 6685-00-249-7668 was assigned to the Federal Catalog?

   It was assigned 57 years ago, on Fri, Feb 28, 1969