The Timer,sequential, cataloged under National Stock Number 6645-01-133-1862, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Siemens Energy and Automation Inc Siemens Furnas Controls Div. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6645-01-133-1862 |
| Primary Part Number | 55AA |
| Item Name | Timer,sequential |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | Siemens Energy and Automation Inc Siemens Furnas Controls Div |
| Status | CANCELLED |
| Independently Operated Clock | INCLUDED |
| Automatic Electric Circuit Control Switch | NOT INCLUDED |
| Timer Type | ELECTRICAL |
| Interval Expiration Signalling Device | NOT INCLUDED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10908-2 | Drs Environmental Systems Inc (USA) |
| 44108 | Tld Ace Corp Div Tld Ace (USA) |
| 55AAX24 | Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA) |
| 10908-2 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| 55AA PRIMARY | Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA) |
NSN 6645-01-133-1862 is a Timer,sequential, manufactured by Siemens Energy and Automation Inc Siemens Furnas Controls Div, classified under FSC 6645 (No Item Name Available). Status: cancelled.
NSN 6645-01-133-1862 has 5 cross-referenced part numbers: 10908-2 (Drs Environmental Systems Inc), 44108 (Tld Ace Corp Div Tld Ace), 55AAX24 (Siemens Energy and Automation Inc Siemens Furnas Controls Div), 10908-2 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), 55AA (Siemens Energy and Automation Inc Siemens Furnas Controls Div).
There are 12 known substitutes for 6645-01-133-1862: 5905-00-111-4742, 5133-00-189-9283, 5840-00-217-6937 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 55AA: Independently Operated Clock: INCLUDED; Automatic Electric Circuit Control Switch: NOT INCLUDED; Timer Type: ELECTRICAL; Interval Expiration Signalling Device: NOT INCLUDED. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 6645-01-133-1862 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.