501A

Thermal Resistor

This page provides complete and verified information for part number 501A, NSN 5905-00-059-9451

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

501A
Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5905 Resistor
National Stock Number
5905-00-059-9451
Item Name Code
00309
Assigment Date
01/01/1961 (65 years ago)

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.

8.0 ohms 1st resistance-temperature point zero power resistance at specified temp, not established reliability indicator, 15.6 celsius 1st resistance-temperature point temp points for resistance readings at zero power, -15.0 to 15.0 all resistance-temperature points resistance tolerance at a specified temp in percent, encapsulated inclosure type

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Reliability Indicator
not established
Temp Points For Resistance Readings At Zero Power
15.6 celsius 1st resistance-temperature point
Zero Power Resistance At Specified Temp
8.0 ohms 1st resistance-temperature point
Resistance Tolerance At A Specified Temp In Percent
-15.0 to 15.0 all resistance-temperature points
Inclosure Type
encapsulated
Test Data Document
"81349-mil-prf-7790 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.)."
Specification/Standard Data
81349-mil-prf-7790 government specification

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
4 - Partial descriptive item identification (type 1 concept)
Automatic Data Processing Point
0 - Represents items with no adp components
Demilitarization
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.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A086A0
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0000309
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
8533400080

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
XX
National Motor Freight Classification Item Number
061700
National Motor Freight Classification Sub-Item Number
F
Uniform Freight Classification Item Number
34580
National Motor Freight Class Rating
J - 100.0
Water Commodity
72D - Communications/electronics, other than sigint/ew or comsec repair parts and components
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
HZ -
National Motor Freight Description
elec appliances/instruments noi

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 501A

What is the FSCG of the NSN 5905-00-059-9451?
The FSCG of the NSN 5905-00-059-9451 is 5905
Does the NSN 5905-00-059-9451 have a Schedule B code assigned?
Yes, the Schedule B code is 8533400080
Does NSN 5905-00-059-9451 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 5905-00-059-9451 contain precious materials?
Item does not contain precious metal.
Does NSN 5905-00-059-9451 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 5905-00-059-9451 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Need Consumables?

Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.

Electrical Wires

Recommended for You

Discover a selection of other high-demand NSN components from our catalog. These featured parts are frequently sourced by procurement teams across defense, aerospace, and industrial sectors.

Price & Availability

Fill out the form to get accurate pricing, lead time, and stock details from our NSN specialists:

FREE

Aviation Suppliers Association Member AS9120-ISO9001 Certification

Popular Parts

Browse our top-performing parts, selected based on customer demand and procurement frequency. All listings include up-to-date specs, availability, and condition:

SPK-C1041
5340-01-480-2605
Manual Control Handle
SPK-C104D
4310-01-438-2800
Valve Stop Plate
SPK-C104H--1
4820-01-501-0650
Handle Assy Valve
SPK-C104HL
5340-01-484-0872
Manual Control Lever
SPK-D504C
3040-01-542-4002
Manual Control Lever
SPK-D504C--B
3040-01-542-4002
Manual Control Lever
SPK-D506
5325-01-524-8751
Retaining Ring
SPK-DF-HANDLE
5340-01-663-6665
Extension Handle
SPK-DG-HANDLE
6635-01-537-3215
Portable Test Guage Handle
SPK-E104C--1
5340-01-538-8013
Manual Control Lever
SPK-E104H-
4820-01-500-8306
Handle Assembly Ball
SPK-E104H--1
4820-01-500-8306
Handle Assembly Ball
SPK-E110
5310-01-464-1236
Spring Tension Washer
SPK-FMG-013B
5340-01-720-0046
Rigid Connecting Link
SPK-H004-2006
5340-01-386-6026
Handwheel