The Indicator Subassembly,rate of Fl, cataloged under National Stock Number 6680-01-500-1306, 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 Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-500-1306 |
| Primary Part Number | 1138G21-1 |
| Item Name | Indicator Subassembly,rate of Fl |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Component Type and Quantity | 1 COUNTER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1138G21-1 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 1138G21 | D/9 Drawing number reference only General Electric Company |
| 1138G21-1 | 5/9 Secondary reference Ernst Flow Industries |
| 003054G39 PC 13 | 5/9 Secondary reference General Electric Company |
| 1138G21-1 | 5/9 Secondary reference General Electric Company |
| 001138G21-1 | 5/9 Secondary reference General Electric Company |
NSN 6680-01-500-1306 is a Indicator Subassembly,rate of Fl, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-500-1306 has 1 manufacturer part number on file: 1138G21-1 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 1138G21-1: Component Type and Quantity: 1 COUNTER; Special Features: ITEM NAME PER VENDOR-ROTATING WHEEL; MATERIAL OF CARBON STEEL; NHA IS SIGHT FLOW ASSEMBLY-PN 003054G39; End Item Identification: GEAR ASSY SPD DECR MN PORT AND STBD. 1 specification is 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.
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.