The Pinion and Gear Assembly, cataloged under National Stock Number 6680-00-673-6906, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is S S Precision Gear & Instr. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-673-6906 |
| Primary Part Number | B20623-1 |
| Item Name | Pinion and Gear Assembly |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | S S Precision Gear & Instr |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B20623-1 PRIMARY | S S Precision Gear & Instr (USA) |
| Reference | Meaning |
|---|---|
| B20623 | 3/1 Design control — primary reference U.S. Government activity |
| B20623-1 | 5/2 Secondary reference U.S. Government activity |
NSN 6680-00-673-6906 is a Pinion and Gear Assembly, manufactured by S S Precision Gear & Instr, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-673-6906 has 1 manufacturer part number on file: B20623-1 (S S Precision Gear & Instr).
Key specifications for B20623-1: End Item Identification: SIMMONDS PRECISION PRODUCTS INC,LIQUID QTY INDICATOR. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6680-00-673-6906 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.