NSN 20SR3B4

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

200.0 amperes resistive load ac at sea level contact load current rating, 500.0 ac at sea level contact voltage rating in volts, 200.0 amperes resistive load dc at sea level contact load current rating, breaks before makes each section front contact switching action, 250.0 dc at sea level contact voltage rating in volts.

NSN 5930-00-548-7944 Datasheet

(NSN) National Stock Number

5930-00-548-7944

(FSG) Federal Supply Group

59 - Electrical and Electronic Equipment Components

(FSC) Federal Supply Classification

5930 - Switches

(NIIN) National Item Identification Number

00-548-7944

Requires Demilitarization

Yes

(INC) Item Name Code

02134

Date

Tue, Jan 1, 1963

Schedule B Code

8536509025

Contact Load Current Rating

200.0 amperes resistive load ac at sea level

Contact Load Current Rating

200.0 amperes resistive load dc at sea level

Contact Switching Action

breaks before makes each section front

Contact Voltage Rating In Volts

250.0 dc at sea level

Contact Voltage Rating In Volts

500.0 ac at sea level

Features Provided

metallic inclosure

Hazardous Locations/Environmental Protection

dustproof

Individual Section Quantity

6

Longest Horizontal Distance Between Mounting Centers

8.000 inches nominal single mounting facility

Longest Vertical Distance Between Mounting Centers

3.250 inches nominal single mounting facility

Mounting Facility Pattern

four position rectangular single mounting facility

Mounting Method

base single mounting facility

Nondefinitive Spec/Std Data

20sr class

Overall Height

9.500 inches nominal

Overall Width

6.750 inches nominal

Shaft Diameter

0.625 inches nominal single actuator

Shaft Type

round single actuator

Shaft Length

0.625 inches nominal single actuator

Switch Actuator Indexing Position Quantity

4 single actuator

Switch Actuator Positioning Increment

90.0 degrees single actuator

Switch Contact Basic Design

nonpile-up symmetrical

Terminal Type

tab w/screw

Test Data Document

"81349-mil-s-15291 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.)."

Unthreaded Mounting Hole Diameter

0.500 inches nominal single mounting facility

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.

Pseudo Item Name Code

0002134

Cross Reference

CAGE Codes

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)

82121

Electro Switch Corp. Dba Electro Switch Corp

U.s./canadian manufacturers

96169

Electric Boat Corporation Div General Dynamics Electric Boat

Non-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

M - 85.0

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

34430

Water Commodity

72D - Communications/electronics, other than sigint/ew or comsec repair parts and components

National Motor Freight Classification Item Number

061360

Schedule B & Trade

Schedule B

8536-50-9025

Description

switches, rotary, rated at over 5 a, for a voltage not exceeding 1,000 volts

End Use

20005 - Electric apparatus

Unit of Quantity

NO

USDA

Yes

(SITC) Standard International Trade Classification

77255

(NAICS) North American Industrial Classification System

335931

Questions & Answers

1. What is the FSCG of the NSN 5930-00-548-7944?

   The FSCG of the NSN 5930-00-548-7944 is 5930

2. Does the NSN 5930-00-548-7944 have a Schedule B code assigned?

   Yes, the Schedule B code is 8536509025

3. Does NSN 5930-00-548-7944 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 5930-00-548-7944 contain precious materials?

   Item does not contain precious metal.

5. Does NSN 5930-00-548-7944 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 5930-00-548-7944 was assigned to the Federal Catalog?

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