The Counter,reciprocating, cataloged under National Stock Number 6680-00-248-9121, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-248-9121 |
| Primary Part Number | 166726-010 |
| Item Name | Counter,reciprocating |
| 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 | 4 SLOT |
| Mounting Arrangement Style | FOUR POSITION SQUARE/RECTANGLE |
| Shaft Diameter | 0.3115 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Register Function | UNABLE TO DECODE |
| Criticality Code Justification | ABWV |
| Figure Quantity Per Register | UNABLE TO DECODE |
| Style Designator | SQUARE/RECTANGULAR CASED |
| Longest Vertical Distance Between Mounting Centers | 2.850 INCHES MINIMUM AND 2.870 INCHES MAXIMUM IN |
| Actuating Device Location | LEFT SIDE SINGLE REGISTER SINGLE TIER |
| Figure Height | UNABLE TO DECODE |
| Shaft Length | 1.198 INCHES MINIMUM AND 1.238 INCHES MAXIMUM IN |
| Maximum Count Rate | UNABLE TO DECODE |
| Minimum Angle Throw in Deg Per Count | UNABLE TO DECODE |
| Color | WHITE SECOND TEMP COEFFICIENT |
| Color | BLACK THIRD TEMP COEFFICIENT |
| Mounting Type for Which Designed | UNABLE TO DECODE |
| Register Reset Method | UNABLE TO DECODE |
| Longest Horizontal Distance Between Mounting Centers | 1.885 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 166726-010 PRIMARY | Dynapar Corp Div Specialty Product Technologies (USA) |
| Reference | Meaning |
|---|---|
| 139C7821 | 7/2 Vendor item drawing reference General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
NSN 6680-00-248-9121 is a Counter,reciprocating, 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 6680-00-248-9121 has 1 manufacturer part number on file: 166726-010 (Dynapar Corp Div Specialty Product Technologies).
Key specifications for 166726-010: Numeral Display Method: DRUM; Register Quantity: 1; Mounting Facility Type and Quantity: 4 SLOT; Overall Height: 2.173 INCHES MINIMUM AND 2.213 INCHES MAXIMUM IN. 20 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.