The Shaft Assembly, cataloged under National Stock Number 6660-01-064-6973, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Belfort Instrument Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6660-01-064-6973 |
| Primary Part Number | 6637 |
| Item Name | Shaft Assembly |
| FSC / FSG | 6660 / 66 — No Item Name Available |
| Manufacturer | Belfort Instrument Company |
| Status | ACTIVE |
| FSC Application Data | RECORDER,WIND DIRECTION AND SPEED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6637 PRIMARY | Belfort Instrument Company (USA) |
NSN 6660-01-064-6973 is a Shaft Assembly, manufactured by Belfort Instrument Company, classified under FSC 6660 (No Item Name Available). Status: active.
NSN 6660-01-064-6973 has 1 cross-referenced part number: 6637 (Belfort Instrument Company).
There are 4 known substitutes for 6660-01-064-6973: 5935-00-305-4569, 5999-01-058-1662, 5340-01-176-7847 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6637: FSC Application Data: RECORDER,WIND DIRECTION AND SPEED; End Item Identification: AN/GMQ-20 WIND MEASURING SET. 2 total characteristics are documented in the Federal Logistics Information System.