NSN 18CX1253

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

4 alignment hole quantity, 0.1250 inches minimum alignment hole depth, steel corrosion resisting body material, gun fire control system, mk 68; ticonderoga class cg (47); forrestal class cv; los angeles class ssn (688); nimitz class cvn; kidd class ddg; sturgeon class ssn (637); virginia class cgn (41); spruance class dd (963) end item identification, 1.2500 inches nominal alignment hole bolt circle diameter.

NSN 5990-00-929-0500 Datasheet

(NSN) National Stock Number

5990-00-929-0500

(FSG) Federal Supply Group

59 - Electrical and Electronic Equipment Components

(FSC) Federal Supply Classification

5990 - Synchros and Resolvers

(NIIN) National Item Identification Number

00-929-0500

Requires Demilitarization

Yes

(INC) Item Name Code

02073

Date

Fri, Sep 2, 1966

Schedule B Code

9014900000

End Item Identification

gun fire control system, mk 68; ticonderoga class cg (47); forrestal class cv; los angeles class ssn (688); nimitz class cvn; kidd class ddg; sturgeon class ssn (637); virginia class cgn (41); spruance class dd (963)

Alignment Hole Bolt Circle Diameter

1.2500 inches nominal

Alignment Hole Depth

0.1250 inches minimum

Alignment Hole Quantity

4

Body Material

steel corrosion resisting

Body Size

18

Body Style

standard round c

Criticality Code Justification

feat

Electrical Error Angular Range In Minutes

-6.0 to 6.0

Flange Diameter

1.7450 inches minimum and 1.7500 inches maximum

Flange Thickness

0.0930 inches nominal

Fragility Factor

moderately rugged

Frequency In Hertz

400.0 nominal

Length

0.1320 inches nominal shoulder

Phase Shift Angle In Deg

1.500 input to output nominal

Pilot Diameter

0.0375 inches nominal

Pilot Length

0.0400 inches nominal

Maximum Fundamental Null Voltage In Millivolts Per Volt

40.00 output

Maximum Temp Rise

20.0 celsius

Maximum Total Null Voltage Output In Millivolts Per Volt

60.00

Mounting Surface To Terminal End Distance

2.5200 inches nominal

Overall Length

3.0600 inches nominal

Rotor Input Current Rating

110.0 milliamperes maximum

Rotor Input Electrical Power Rating

900.0 milliwatts nominal

Rotor Input Voltage Rating In Volts

115.0 nominal

Shaft Diameter

0.1870 inches minimum and 0.1872 inches maximum single shaft

Shaft Nominal Thread Size

0.190 inches single shaft

Shaft Thread Class

2a single shaft

Shaft Thread Direction

right-hand single shaft

Shaft Thread Length

0.2000 inches nominal single shaft

Shaft Thread Series Designator

unf single shaft

Shaft Type

spline w/threads single shaft

Shaft Length

0.5400 inches nominal single shaft

Shoulder Diameter

1.5615 inches minimum and 1.5620 inches maximum

Special Features

weapon system essential

Specification/Standard Data

81349-mil-s-20708/28 government specification

Spline Tooth Diametral Pitch

121 single shaft

Spline Tooth Quantity

21 single shaft

Terminal Location

rear

Terminal Type And Quantity

5 screw

Test Data Document

"81349-mil-s-20708 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Torque Gradient Per Angular Deg

0.100 inch-ounces maximum

Transformation Ratio

0.785 rotor to stator nominal

Undercut Diameter

1.6250 inches nominal

Undercut Width

0.0780 inches nominal

Zro Impedance Magnitude In Ohms

1045.00 minimum and 1400.00 maximum

Zro Impedance Angle In Deg

84.00 minimum and 87.50 maximum

Zss Impedance Angle In Deg

34.00 minimum and 48.00 maximum

Zss Impedance Magnitude In Ohms

40.00 minimum and 57.00 maximum

Identification

Demilitarization Code

D - Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).

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.

Pseudo Item Name Code

0002073

Cross Reference

CAGE Codes

D2865

Anschutz Gmbh

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

82205

Belfort Instrument Company

U.s./canadian manufacturers

14404

Ametek Technical & Industrial Products, Inc. Dba Tachtronic Instruments Division Div Ametek Technical and Industrial Products, Inc.

U.s./canadian manufacturers

54497

Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems

U.s./canadian manufacturers

10112

General Dynamics Motion Control Llc

U.s./canadian manufacturers

81349

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M

Military standards and standards organizations (ex:stanags,milspecs,defstans)

H0203

Thales Nederland

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

D4856

Northrop Grumman Litef Gmbh

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

D9853

Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions

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

0U583

Sae International Dba Sae International

Civilian standards and standards organizations (ex:iso,din,bs,ansi)

81343

Society of Automotive Engineers Inc

U.s./canadian manufacturers

81574

Tce Canada Ltd

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

Freight Information

Air Commodity

KZ -

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

35080

Water Commodity

593 - Motors and parts, (machinery and parts),(less than 35 feet)

National Motor Freight Classification Item Number

062820

Schedule B & Trade

Schedule B

9014-90-0000

Description

parts & accessories for direction finding compasses and other navigational instruments and appliances

End Use

22220 - Marine engines, parts

Unit of Quantity

KG

USDA

Yes

(SITC) Standard International Trade Classification

87412

(NAICS) North American Industrial Classification System

334511

Questions & Answers

1. What is the FSCG of the NSN 5990-00-929-0500?

   The FSCG of the NSN 5990-00-929-0500 is 5990

2. Does the NSN 5990-00-929-0500 have a Schedule B code assigned?

   Yes, the Schedule B code is 9014900000

3. Does NSN 5990-00-929-0500 require demilitarization?

   Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).

4. Does NSN 5990-00-929-0500 contain precious materials?

   Precious metal content is unknown

5. Does NSN 5990-00-929-0500 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 5990-00-929-0500 was assigned to the Federal Catalog?

   It was assigned 60 years ago, on Fri, Sep 2, 1966