The Tubing,glass, cataloged under National Stock Number 6640-00-550-6768, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6640-00-550-6768 |
| Primary Part Number | DDT741 |
| Item Name | Tubing,glass |
| FSC / FSG | 6640 / 66 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Overall Diameter | 38.000 MILLIMETERS NOMINAL MM |
| Wall Thickness | 2.000 MILLIMETERS NOMINAL MM |
| Material Document and Classification | DD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE |
| Material | GLASS |
| Style Designator | TUBING |
| Nondefinitive Spec/std Data | A CLASS AND 1 TYPE |
| Environmental Protection | CHEMICAL RESISTANT AND SHOCK PROOF |
| Bore Diameter | 34.000 MILLIMETERS NOMINAL MM |
| Material Transparency | CLEAR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| DDT741 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 6640-00-550-6768 is a Tubing,glass, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 6640 (No Item Name Available). Status: cancelled.
NSN 6640-00-550-6768 has 1 cross-referenced part number: DDT741 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 3 known substitutes for 6640-00-550-6768: 6640-00-245-7128, 6640-00-551-9799, 6640-00-551-9803. Verify interchangeability with system specifications before substitution.
Key specifications for DDT741: Overall Diameter: 38.000 MILLIMETERS NOMINAL MM; Overall Length: 48.000 INCHES NOMINAL IN; Wall Thickness: 2.000 MILLIMETERS NOMINAL MM; Material Document and Classification: DD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 6640-00-550-6768 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.