The Indicator,flow, cataloged under National Stock Number 6680-00-613-7689, 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. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 6680-00-613-7689 |
| Item Name | Indicator,flow |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE BODY AND HEAD CASTING,BRONZE ACID DIPFINISH,ALUMINUM DIAL W/BLACK GRADUATIONS,BRASSPOINTER PAINTED RED,CLEAR ACRYLIC PLASTIC WINDOW,W/SWITCH,125 PSI PRESSURE AT 200 DEG F,3.375 IN.H,3.750 IN. LG O/A,1.562 IN. ACROSS FLATS,3.625 IN.W DIAL IN |
| Reference Number Differentiating Characteristics | 1 IN. NPT SIZE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 51B06 | 3/1 Design control — primary reference Kaydon Custom Filtration Corporation |
| FIG816BC | 5/9 Secondary reference Kaydon Custom Filtration Corporation |
| 816A | 5/9 Secondary reference Kaydon Custom Filtration Corporation |
| 51B06 | 5/9 Secondary reference Kaydon Corporation Dba Kaydon Filtration Group |
NSN 6680-00-613-7689 is a Indicator,flow, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 8140-00-673-5597, 6685-01-117-7899, 2930-01-132-0978. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-00-613-7689: General Characteristics Item Description: BRONZE BODY AND HEAD CASTING,BRONZE ACID DIPFINISH,ALUMINUM DIAL W/BLACK GRADUATIONS,BRASSPOINTER PAINTED RED,CLEAR ACRYLIC PLASTIC WINDOW,W/SWITCH,125 PSI PRESSURE AT 200 DEG F,3.375 IN.H,3.750 IN. LG O/A,1.562 IN. ACROSS FLATS,3.625 IN.W DIAL IN; Reference Number Differentiating Characteristics: 1 IN. NPT SIZE IN. 2 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.