The Diaphragm,meter, cataloged under National Stock Number 6680-01-189-6103, 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 Hersey Measurement Co Div of Miller Industries Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-189-6103 |
| Primary Part Number | BDN-107D PIECE 28 |
| Item Name | Diaphragm,meter |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Hersey Measurement Co Div of Miller Industries Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| BDN-107D PIECE 28 PRIMARY | Hersey Measurement Co Div of Miller Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 74B | 5/9 Secondary reference Singer Co the Meter Div |
| BDN-107D PIECE 28 | 5/9 Secondary reference Singer Co the Meter Div |
NSN 6680-01-189-6103 is a Diaphragm,meter, manufactured by Hersey Measurement Co Div of Miller Industries Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-189-6103 has 1 manufacturer part number on file: BDN-107D PIECE 28 (Hersey Measurement Co Div of Miller Industries Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5975-01-243-0164, 4320-01-468-7959, 5310-01-584-0415. Verify interchangeability with system specifications before substitution.
Key specifications for BDN-107D PIECE 28: End Item Identification: INDUSTRIAL MEASUREMENTS DIV,HERSEY PRODUCTS INC,LIQUID FLOWRATE METER. 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.
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.