The Meter,fluid Flow Indicating,diff, cataloged under National Stock Number 6680-01-615-2906, 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 Parker Hannifin Corporation Div Village Marine Tech. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-615-2906 |
| Primary Part Number | 40-0031 |
| Item Name | Meter,fluid Flow Indicating,diff |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Parker Hannifin Corporation Div Village Marine Tech |
| Status | ACTIVE |
| Scale Inscription/background Color | BLACK MARKINGS ON A WHITE BACKGROUND |
| Totalizing Integrator Register | NOT INCLUDED |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 316 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30316 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Smallest Increment Indicated | 1.000 |
| Height | 5.950 INCHES NOMINAL IN |
| Case Shape | ROUND |
| Depth | 3.500 INCHES NOMINAL IN |
| Width | 3.060 INCHES NOMINAL IN |
| Material | COPPER ALLOY OR STEEL COMP 316 CASE |
| Media for Which Designed | LIQUID OR GAS |
| 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 |
|---|---|
| 40-0031 PRIMARY | Parker Hannifin Corporation Div Village Marine Tech (USA) |
| Reference | Meaning |
|---|---|
| RCM-5117 | 5/9 Secondary reference Kobold Instruments Inc |
| 20440 PC 24 | 5/9 Secondary reference Parker Hannifin Corporation Div Village Marine Tech |
NSN 6680-01-615-2906 is a Meter,fluid Flow Indicating,diff, manufactured by Parker Hannifin Corporation Div Village Marine Tech, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-615-2906 has 1 manufacturer part number on file: 40-0031 (Parker Hannifin Corporation Div Village Marine Tech).
1 possible match (shared part number, not a government interchangeability claim): 1005-01-715-1257. Verify interchangeability with system specifications before substitution.
Key specifications for 40-0031: Scale Inscription/background Color: BLACK MARKINGS ON A WHITE BACKGROUND; Totalizing Integrator Register: NOT INCLUDED; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 316 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30316 ASSN STD SINGLE MATERIAL RESPONSE CASE; Smallest Increment Indicated: 1.000. 10 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.