4520-01-504-2104

Find complete technical information, availability, and procurement data for: 4520-01-504-2104
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Federal Supply Group

Plumbing, Heating, and Waste Disposal Equipment

Federal Supply Classification

4520 Space and Water Heating Equipment

National Stock Number

4520-01-504-2104

Item Name Code

29427

Assigment Date

01/22/2003 (23 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

noninfrared element radiation spectrum, finned, tubular, u shaped body style, 2 terminal quantity, 10.680 inches minimum and 10.930 inches maximum overall length, wire lead element connection style

Product Characteristics

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

Body Style: finned, tubular, u shaped
Terminal Quantity: 2
Overall Length: 10.680 inches minimum and 10.930 inches maximum
Element Radiation Spectrum: noninfrared
Element Connection Style: wire lead
Terminal Length: 29.375 inches minimum and 29.625 inches maximum
Heat Quantity: 1
Length: 9.680 inches nominal
End Item Identification: "space heater; air heater - blower, surface mounting, "rsfm" marine"
Maximum Wattage Rating In Watts: 667.0 single voltage
Element Quantity: 3
Voltage In Volts And Current Type: 254.0 ac single voltage
Part Name Assigned By Controlling Agency: finned tubular element assembly rsfm marine heater
Phase: three single voltage
Special Features: fins have 0.844 outer diameter with 5.5-6.5 fins per inch; terminal ends are 1.375-1.500 inches apart
Frequency In Hertz: 50.0
Material: nickel alloy sheath
Supplementary Features: proprietary - drawing not to be released without consent