The Hairspring and Over, cataloged under National Stock Number 6645-00-536-1518, 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 Clock Co Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Hairspring and Over |
| FSC / FSG | 6645 — No Item Name Available (FSG 66) |
| Manufacturers | Waltham Clock Co Inc (CAGE 79300) |
| Parameter | Value |
|---|---|
| NSN | 6645-00-536-1518 |
| Primary Part Number | 23078 |
| Item Name | Hairspring and Over |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | Waltham Clock Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 23078 | Waltham Clock Co Inc (USA) |
NSN 6645-00-536-1518 is a Hairspring and Over, manufactured by Waltham Clock Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.
NSN 6645-00-536-1518 has 1 cross-referenced part number: 23078 (Waltham Clock Co Inc).
There are 2 known substitutes for 6645-00-536-1518: 3020-00-843-2434, 5950-01-069-6086. Verify interchangeability with system specifications before substitution.