2878-250-20000HMS

View detailed technical data, stock status, and sourcing information for: 2878-250-20000HMS
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 2878-250-20000HMS to receive an up to date pricing and availability quote by email.

Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5905 Resistor

National Stock Number

5905-00-257-1419

Item Name Code

37406

Assigment Date

01/01/1961 (65 years ago)

2.312 inches nominal body diameter, not established reliability indicator, 1 section quantity, cylindrical bushing mounted body style, 0.250 inches nominal shaft diameter

Product Characteristics

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

Section Quantity: 1
Body Style: cylindrical bushing mounted
Reliability Indicator: not established
Body Diameter: 2.312 inches nominal
Shaft Diameter: 0.250 inches nominal
Shaft Length: 0.688 inches nominal
Mounting Bushing Length: 0.375 inches nominal
Body Length: 1.438 inches nominal
Shaft Style: round
Actuator Type: single shaft
Effective Electrical Rotation In Deg Angular Rotation: 300.0 nominal
Nonturn Device Location: at 6 oclock and at 12 oclock
Nonturn Device Radius: 0.500 inches nominal
Screw Thread Diameter: 0.375 inches nominal
Screw Thread Series Designator: unef
Screw Thread Quantity Per Inch: 32.0
Terminal Location: radially positioned over less than half the circumference
Mounting Method: standard bushing
Electrical Resistance Per Section: 2.000 kilohms single section
Rotary Actuator Travel In Angular Deg: 300.0 nominal
Ambient Temp In Deg Celsius Per Section At Zero Percent Rated Power: 105.0 single section
Power Dissipation Rating Per Section In Watts: 25.0 free air single section
Resistance Tolerance Per Section In Percent: -20.0 to 20.0 single section
Actuator Travel Control Feature: stops
Ambient Temp In Deg Celsius Per Section At Full Rated Power: 40.0 single section
Terminal Type And Quantity: 3 screw

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5905-00-073-3419	No Name Available	12/22/1969

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
2878-250-20000HMS	Resistor,variable,wire Wound,non
2878-250-2000OHMS	Resistor,variable,wire Wound,non
2878-2S0-2000	Resistor,variable,wire Wound,non

FAQs

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

What is the FSCG of the NSN 5905-00-257-1419?

The FSCG of the NSN 5905-00-257-1419 is 5905

Does the NSN 5905-00-257-1419 have a Schedule B code assigned?

Yes, the Schedule B code is 8533390080

Does NSN 5905-00-257-1419 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 5905-00-257-1419 contain precious materials?

Precious metal content is unknown

Does NSN 5905-00-257-1419 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.

When the NSN 5905-00-257-1419 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961