1LR1-2E

View detailed technical data, stock status, and sourcing information for: 1LR1-2E
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-687-2281

Item Name Code

00399

Assigment Date

01/01/1963 (63 years ago)

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes:baroswitch; switch,pressure-thermostatic; and switch,sensitive.

0.825 inches maximum overall length, 2a thread class, bushing/hole mounted body style, 0.375 inches maximum overall width, 1.410 inches nominal overall height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Body Style: bushing/hole mounted
Overall Length: 0.825 inches maximum
Overall Height: 1.410 inches nominal
Overall Width: 0.375 inches maximum
Bushing Length: 0.350 inches nominal
Body Length: 0.825 inches maximum
Body Width: 0.375 inches maximum
Body Height: 0.505 inches nominal
Actuator Style: roller plunger
Actuator Free Position Height: 0.781 inches maximum
Actuator Roller Diameter: 0.250 inches nominal
Actuator Roller Width: 0.060 inches nominal
Maximum Voltage Rating In Volts: 30.0 dc
Inclosure Type: fully inclosed
Mounting Method: threaded bushing
Thread Quantity Per Inch: 40
Nominal Thread Size: 0.250 inches
Nonpile-Up Contact Arrangement: 1 pole, double throw, one position momentary single switch unit
Switch Release Force: 4.0 ounces minimum
Switch Actuating Force: 10.0 ounces maximum
Actuator Movement: 0.035 pretravel inches maximum and 0.030 overtravel inches minimum and 0.005 differential inches nominal
Contact Load Current Rating At Maximum Rated Voltage: 1.000 amperes inductive dc
Material: plastic case
Thread Series Designator: uns
Terminal Type And Quantity: 3 tab, solder lug

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5930-00-681-4408	No Name Available	11/09/1973
5930-00-960-3797	No Name Available	12/01/1992

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1LR1-2E	Sensitive Switch
1SR1-13	Sensitive Switch
626823	Sensitive Switch
8-AS15	Sensitive Switch

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5930-00-687-2281?

The FSCG of the NSN 5930-00-687-2281 is 5930

Does the NSN 5930-00-687-2281 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509050

Does NSN 5930-00-687-2281 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.

Does NSN 5930-00-687-2281 contain precious materials?

Precious metal content is unknown

Does NSN 5930-00-687-2281 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.

When the NSN 5930-00-687-2281 was assigned to the Federal Catalog?

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