The Counter,rotating, cataloged under National Stock Number 6680-00-905-4541, 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 Dynapar Corp Div Specialty Product Technologies. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-00-905-4541 |
| Primary Part Number | 179705-102 |
| Item Name | Counter,rotating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Dynapar Corp Div Specialty Product Technologies |
| Status | ACTIVE |
| Numeral Display Method | DRUM |
| Register Quantity | 1 |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Mounting Arrangement Style | TWO POSITION HORIZONTAL |
| Shaft Diameter | 0.090 INCHES NOMINAL IN |
| Figure Quantity Per Register | UNABLE TO DECODE |
| Style Designator | UNENCLOSED SQUARE OR RECTANGULAR |
| Actuating Device Location | RIGHT SIDE SINGLE REGISTER SINGLE TIER |
| Shaft Revolutions Per Count | UNABLE TO DECODE |
| Figure Height | UNABLE TO DECODE |
| Shaft Length | 0.297 INCHES NOMINAL IN |
| Maximum Count Rate | UNABLE TO DECODE |
| Color | WHITE SECOND TEMP COEFFICIENT |
| Color | BLACK THIRD TEMP COEFFICIENT |
| Mounting Type for Which Designed | UNABLE TO DECODE |
| Longest Horizontal Distance Between Mounting Centers | 0.680 INCHES NOMINAL IN |
| 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 |
|---|---|
| 179705-102 PRIMARY | Dynapar Corp Div Specialty Product Technologies (USA) |
| Reference | Meaning |
|---|---|
| 62A86B427-3 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 179705 | 5/1 Secondary reference Dynapar Corp Div Specialty Product Technologies |
| 434942 | 5/9 Secondary reference Raytheon Technical Services Company |
| 310456-001 | 5/9 Secondary reference Dynapar Corp Div Specialty Product Technologies |
NSN 6680-00-905-4541 is a Counter,rotating, manufactured by Dynapar Corp Div Specialty Product Technologies, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-905-4541 has 1 manufacturer part number on file: 179705-102 (Dynapar Corp Div Specialty Product Technologies).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-534-6276. Verify interchangeability with system specifications before substitution.
Key specifications for 179705-102: Numeral Display Method: DRUM; Register Quantity: 1; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 0.962 INCHES NOMINAL IN. 16 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.