The Piston Chamber, cataloged under National Stock Number 6680-01-148-2805, 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 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-148-2805 |
| Item Name | Piston Chamber |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| General Characteristics Item Description | CAST BRONZE; DIMENSION,FOURTEEN HOLES .1385 TO .1455 DIA EQUALLY SPACED ON A 2.307 TO 2.217 BOLT CIRCLE AND THIRTEENHOLES,.1385 TO .1455 DIA EQUALLY SPACED IN A STAGGERED POSITION ON A 1.901 TO 1.911 BOLT CIRCLE |
| 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 |
|---|---|
| 113-04-047 | 5/9 Secondary reference Prince Alexander Partners Inc Div Architecture Engieering and Economic Development |
| 113-04-047-00 | 3/9 Design control — primary reference Prince Alexander Partners Inc Div Architecture Engieering and Economic Development |
NSN 6680-01-148-2805 is a Piston Chamber, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
Key specifications for 6680-01-148-2805: General Characteristics Item Description: CAST BRONZE; DIMENSION,FOURTEEN HOLES .1385 TO .1455 DIA EQUALLY SPACED ON A 2.307 TO 2.217 BOLT CIRCLE AND THIRTEENHOLES,.1385 TO .1455 DIA EQUALLY SPACED IN A STAGGERED POSITION ON A 1.901 TO 1.911 BOLT CIRCLE; End Item Identification: EMERSON ELECTRIC CO MODEL B1-42T. 1 specification is 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.