The feds paid $879.56 for this naval grade combined salinity cell and conductivity probe as NSN 6630-00-987-2577. Unit is still sealed in original mil packaging and is apparently in pristine "bright brass" condition.

Original manufacturer was Rosemount Analytical. Support of this part of the Rosemount line is now provided by Aparamus at (201) 261-6452 Box 9143 Paramus NJ.

You can click here to reach the Aparamus web site.

Measures conductivity of sea or brackish water from which the percent salinity can be calculated. The cell constant is .02 cm^-1.

Approximately 7/8 inch in diameter by 10 inches long. Large hex nut measures 1-3/4 across flats. Includes premium grade three wire cable approximately six feet long. Includes teflon-looking plastic seals.

Shipping weight: approximately 6 pounds.
Available in quantity.

Precision humidity measuring probe is 1-1/8 inches diameter by 7-3/8 inch long. Temperature sensor portion consists of a tapped manganin-copper wire. Humidity is sensed by a gold plated plastic film whose capacitance accurately changes with moisture adsorbtion. Five wire spade lug interconnect.

Believed to be Airflow 8072-100. Similar to Leeds and Northrup 8196H, Entron 1703 or Winding Specialists 1703. No docs. Feds paid $184 each.

Additional details on a somewhat similar sensor Appear Here.

Approximate shipping weight: 1 pound.
Available in quantity.

Eddy current probes are used with appropriate instruments to non-destructively test for flaws and cracks, especially for boltholes on military aircraft.

This is a premium grade stainless steel probe that's 0.316 inches in diameter and meets specs of NSN 6635-01-261-4991. It is similar to Nortec (Staveley) RCB-3160-.080 or Scientific Instruments RC-2-2-.316-0.800.

Overall length is 3-1/2 inches ending in a male four pin connector.

Very clean and apparently unused military surplus still in protective packaging. Believed functional, guaranteed servicible.

List price is $453.01.
You can click here to reach the Staveley NDT Website.

Approximate shipping weight: 1 pound.
Available in quantity.

Eddy current probes are used with appropriate instruments to non-destructively test for flaws and cracks, especially for boltholes on military aircraft. This is a ferrite shielded auto scanner probe that's 23/64 inches in diameter.

Meets specs of National Serial Number NSN 6635-01-291-0311. It is similar to Tyvin OVPD4 GBF-23/64 or VM Products VM101GS-23/64. Overall length is three inches ending in a Microdot connector.

Very clean and apparently unused military surplus still in protective packaging. Believed functional, guaranteed servicible. List price is $95.00.

You can click here to reach the VM Products Website.

Approximate shipping weight: 1 pound.
Available in quantity.

Eddy current probes are used with appropriate instruments to non-destructively test for flaws and cracks, especially for boltholes on military aircraft. This is a ferrite shielded auto scanner probe that's 29/64 inches in diameter and meets

specs of National Serial Number NSN 6635-01-278-6965. It is similar to Tyvin OVPD4 GBF-29/64 or VM Products VM101GS-29/64. Overall length is three inches ending in a Microdot connector.

Very clean and apparently unused military surplus still in protective packaging. Believed functional, guaranteed servicible. List price is $95.00.

You can click here to reach the VM Products Website.

Approximate shipping weight: 1 pound.
Available in quantity.

Finest brand "as new" still in original military packaging as NSN 6685-00-814-5693.

Marsh (Marshalltown) 16773. Part Number J4120 2.5 Std 1/8 NPT 30" HGx 200 PSI & KPA. Compound gauge measures vacuum to 30 inches, pressure to 200 PSI or 1400 kPa.

Perfect for fire engines and other priming pumps. 2-1/2 inch polycarbonate face, metal case, brass 1/8 NPT fitting.

Approximate shipping weight: 1 pound.
Available in quantity.