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NSN 5905-00-321-8431, 5905003218431
RESISTOR,THERMAL

Federal Supply Classification
FSC 5905 - Resistors
National Item Identification Number
NIIN 003218431
Codification Country
United States
Item Name Code
INC 00309
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 5905-00-321-8431

National Stock Number (NSN) 5905-00-321-8431, or NIIN 003218431, (resistor,thermal) was assigned November 18, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is fairly common among different weapons systems, belonging to 13 different platforms.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 00309. [A THERMALLY SENSITIVE RESISTOR WHOSE PRIMARY FUNCTION IS TO EXHIBIT A CHANGE IN ELECTRICAL RESISTANCE WITH A CHANGE IN BODY TEMPERATURE. ITEM MAY BE MOUNTED IN A PROBE OR HOUSING. FOR BALLAST TUBE TYPE RESISTORS, SEE RESISTOR (1), CURRENT REGULATING. EXCLUDES:TRANSMITTER (1), TEMPERATURE, ELECTRICAL RESISTANCE AND TEMPERATURE ELEMENT, RESISTANCE METEOROLOGICAL.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5905003218431 contains an unknown precious metal.

This NSN is associated to Schedule B 8533400080: variable resistors, including potentiometers, nesoi. The Schedule B End Use is listed as electric apparatus.

This information was last updated on .


Technical Characteristics

III ZERO POWER RESISTANCE
(CQWD) 75.000 OHMS
AMBIENT TEMP AT FULL RATED POWER
(AEHY) 25.0 CELSIUS
BODY OUTSIDE DIAMETER
(ADAR) 0.425 INCHES MAXIMUM
BODY WIDTH
(ADAT) 0.120 INCHES MAXIMUM
INCLOSURE TYPE
(AKNA) ENCAPSULATED
MAXIMUM OPERATING TEMP
(AEHZ) 125.0 CELSIUS
MAXIMUM POWER DISSIPATION RATING
(AEHX) 400.00 MILLIWATTS
POWER DISSIPATION CONSTANT IN MILLIWATTS PER DEG CELSIUS
(AEJB) 4.0
RESISTANCE TOLERANCE AT A SPECIFIED TEMP IN PERCENT
(AEJF) -15.0 TO 15.0 ALL RESISTANCE-TEMPERATURE POINTS
RELIABILITY INDICATOR
(AARG) NOT ESTABLISHED
ZERO POWER RESISTANCE AT SPECIFIED TEMP
(AEJE) 3.8 KILOHMS 1ST RESISTANCE-TEMPERATURE POINT
ZERO POWER RESISTANCE AT SPECIFIED TEMP
(AEJE) 4.3 OHMS 2ND RESISTANCE-TEMPERATURE POINT
ZERO POWER RESISTANCE AT SPECIFIED TEMP
(AEJE) 0.3 OHMS 4TH RESISTANCE-TEMPERATURE POINT
ZERO POWER RESISTANCE AT SPECIFIED TEMP
(AEJE) 2.8 OHMS 3RD RESISTANCE-TEMPERATURE POINT
ZERO POWER RESISTANCE TOLERANCE IN PERCENT AT REFERENCE TEMP
(CRQJ) -5.0 TO 5.0
ZERO POWER RESISTANCE
(CQWD) 75.000 OHMS
ZERO POWER TEMP COEFFICIENT OF RESISTANCE IN PERCENT PER DEG CELSIUS
(AEJC) -3.90
STYLE DESIGNATOR
(STYL) DISK
TEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER
(AEJD) -50.0 CELSIUS 1ST RESISTANCE-TEMPERATURE POINT
TEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER
(AEJD) 150.0 CELSIUS 3RD RESISTANCE-TEMPERATURE POINT
TEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER
(AEJD) 300.0 CELSIUS 4TH RESISTANCE-TEMPERATURE POINT
TEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER
(AEJD) 50.0 CELSIUS 2ND RESISTANCE-TEMPERATURE POINT
TERMINAL DIAMETER
(AEBT) 0.020 INCHES NOMINAL
TERMINAL LENGTH
(ABJT) 1.000 INCHES MINIMUM
TERMINAL TYPE AND QUANTITY
(TTQY) 2 WIRE LEAD
TEST DATA DOCUMENT
(TEST) 31550-509413 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
THERMAL TIME CONSTANT IN SECONDS
(AEJA) 45.0
AMBIENT TEMP AT FULL RATED POWER
(AEHY) 25.0 DEG CELSIUS
ZERO POWER RESISTANCE TOLERANCE IN PERCENT AT REFERENCE TEMP
(CRQJ) -5.0/+5.0
TEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER
(AEJD) -50.0 DEG CELSIUS 1ST RESISTANCE-TEMPERATURE POINT
TEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER
(AEJD) 150.0 DEG CELSIUS 3RD RESISTANCE-TEMPERATURE POINT
TEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER
(AEJD) 300.0 DEG CELSIUS 4TH RESISTANCE-TEMPERATURE POINT
TEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER
(AEJD) 50.0 DEG CELSIUS 2ND RESISTANCE-TEMPERATURE POINT
MAXIMUM OPERATING TEMP
(AEHZ) 125.0 DEG CELSIUS
RESISTANCE TOLERANCE AT A SPECIFIED TEMP IN PERCENT
(AEJF) -15.0/+15.0 ALL RESISTANCE-TEMPERATURE POINTS

Manufacturer Part Numbers


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