The Contact Assembly,electrical, cataloged under National Stock Number 5999-00-503-7405, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5999-00-503-7405 |
| Primary Part Number | 74890 |
| Item Name | Contact Assembly,electrical |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Telemechanics Inc |
| Status | CANCELLED |
| Structural Design | PILE-UP |
| Contact Form Arrangement | 1A1B LOCATION NOT OTHERWISE SPECIFIED |
| FSC Application Data | TELETYPEWRITER,FACSIMILE AND TELETYPE EQUIPMENT |
| Mounting Configuration | PRESSURE OR PUSH TYPE MTG |
| Terminal Type | TERMINAL SOLDERED TO CONTACT SPRING TYPE |
| Terminal Quantity | 1 |
| Structural Design | PILE-UP |
| Contact Form Arrangement | 1A1B LOCATION NOT OTHERWISE SPECIFIED |
| FSC Application Data | TELETYPEWRITER,FACSIMILE AND TELETYPE EQUIPMENT |
| Mounting Configuration | PRESSURE OR PUSH TYPE MTG |
| Terminal Type | TERMINAL SOLDERED TO CONTACT SPRING TYPE |
| Terminal Quantity | 1 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4T74890 | At and T Corp (USA) |
| 4T74890 | Lucent Technologies Inc Corporate Headquarters (USA) |
| 74890 | American Telephone and Telegraph Co (USA) |
| 4T74890 | American Telephone and Telegraph Co (USA) |
| 74890 | At and T Corp (USA) |
| 74890 PRIMARY | Telemechanics Inc (USA) |
| 74890 | Lucent Technologies Inc Corporate Headquarters (USA) |
NSN 5999-00-503-7405 is a Contact Assembly,electrical, manufactured by Telemechanics Inc, classified under FSC 5999 (No Item Name Available). Status: cancelled.
NSN 5999-00-503-7405 has 7 cross-referenced part numbers: 4T74890 (At and T Corp), 4T74890 (Lucent Technologies Inc Corporate Headquarters), 74890 (American Telephone and Telegraph Co), 4T74890 (American Telephone and Telegraph Co), 74890 (At and T Corp) and 2 more.
There are 2 known substitutes for 5999-00-503-7405: 2915-00-991-0981, 4820-01-141-5168. Verify interchangeability with system specifications before substitution.
Key specifications for 74890: Structural Design: PILE-UP; Contact Form Arrangement: 1A1B LOCATION NOT OTHERWISE SPECIFIED; FSC Application Data: TELETYPEWRITER,FACSIMILE AND TELETYPE EQUIPMENT; Overall Length: 2.625 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5999-00-503-7405 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.