The Spring-Clutch Coil, cataloged under National Stock Number 6645-00-449-2638, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Waltham Aircraft Clock Corp. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Spring-Clutch Coil |
| FSC / FSG | 6645 — No Item Name Available (FSG 66) |
| Manufacturers | Waltham Aircraft Clock Corp (CAGE 0Y4A4); Waltham Clock Co Inc (CAGE 79300) |
| Parameter | Value |
|---|---|
| NSN | 6645-00-449-2638 |
| Primary Part Number | 22800220 |
| Item Name | Spring-Clutch Coil |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | Waltham Aircraft Clock Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6645-00-449-2638 is a Spring-Clutch Coil, manufactured by Waltham Aircraft Clock Corp, classified under FSC 6645 (No Item Name Available). Status: active.
NSN 6645-00-449-2638 has 3 cross-referenced part numbers: 22800220 (Waltham Aircraft Clock Corp), 22800220 (Waltham Clock Co Inc), 22226 (Waltham Clock Co Inc).
There are 6 known substitutes for 6645-00-449-2638: 3110-00-156-1459, 3455-00-204-1677, 4310-00-709-0437 and 3 more. Verify interchangeability with system specifications before substitution.