The Test Set,automatic Smoke Alarm, cataloged under National Stock Number 6635-01-678-5945, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Regin Hvac Products, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-678-5945 |
| Primary Part Number | S221 |
| Item Name | Test Set,automatic Smoke Alarm |
| FSC / FSG | 6635 / 66 — No Item Name Available |
| Manufacturer | Regin Hvac Products, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6635-01-678-5945 is a Test Set,automatic Smoke Alarm, manufactured by Regin Hvac Products, Inc., classified under FSC 6635 (No Item Name Available). Status: active.
NSN 6635-01-678-5945 has 2 cross-referenced part numbers: 4101T7 (Mcmaster-Carr Supply Co), S221 (Regin Hvac Products, Inc.).
There are 10 known substitutes for 6635-01-678-5945: 5120-00-042-7848, 4720-00-059-5819, 9540-00-147-7721 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for S221: Part Name Assigned by Controlling Agency: SMOKE STICK REFILL PACK; End Item Identification: REGIN SMOKE PEN; Special Features: PACKAGE OF 6 WICK FOR REGIN SMOKE PEN P/N : S220; COLOR: BEIGE; FLASH POINT: 165.00 DEG. C.; INSOLUBLE;. 3 total characteristics are documented in the Federal Logistics Information System.