The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-01-534-8353, 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 Signet Scientific Co. Government technical data includes 8 specifications, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-534-8353 |
| Primary Part Number | 3-5090 |
| Item Name | Meter,flow Rate Indicating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Signet Scientific Co |
| Status | ACTIVE |
| Design Type | CASE |
| Mounting Method | FLUSH PANEL OR SURFACE PANEL |
| Dial Scale Marking Range | +0.0 TO 10.0 |
| Unit Type | MOUNTED |
| Construction | INCLOSED W/SIGHT WINDOW |
| Integral Relief Valve | NOT INCLUDED |
| Carrying Handle | NOT INCLUDED |
| Dial Scale Reference Pointer | NOT INCLUDED |
| 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 |
|---|---|
| 3-5090 PRIMARY | Signet Scientific Co (USA) |
NSN 6680-01-534-8353 is a Meter,flow Rate Indicating, manufactured by Signet Scientific Co, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-534-8353 has 1 manufacturer part number on file: 3-5090 (Signet Scientific Co).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-549-8200. Verify interchangeability with system specifications before substitution.
Key specifications for 3-5090: Design Type: CASE; Mounting Method: FLUSH PANEL OR SURFACE PANEL; Dial Scale Marking Range: +0.0 TO 10.0; Overall Length: 3.500 INCHES NOMINAL IN. 8 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.
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.