The Buffer Solution,standard, cataloged under National Stock Number 6630-01-561-2939, is classified within Federal Supply Class 6630 (Chemical Analysis Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hach Lange France. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6630-01-561-2939 |
| Primary Part Number | 2770020 |
| Item Name | Buffer Solution,standard |
| FSC / FSG | 6630 / 66 — Chemical Analysis Instruments |
| Manufacturer | Hach Lange France |
| 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 |
|---|---|
| 2770020 | Hach Lange France (FRA) |
| HACH 27700-20 | Hach Lange Nv (BEL) |
| 2770020 | Hach Pacific Pty Ltd (AUS) |
| 2770020 | Saab Australia Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 2770020 | 3/2 Design control — primary reference U.S. Government activity |
| HACH2770020 | 5/9 Secondary reference Bio-Strategy Laboratory Products Pty Ltd |
NSN 6630-01-561-2939 is a Buffer Solution,standard, manufactured by Hach Lange France, classified under FSC 6630, Chemical Analysis Instruments. Status: active.
NSN 6630-01-561-2939 has 4 manufacturer part numbers on file: 2770020 (Hach Lange France), HACH 27700-20 (Hach Lange Nv), 2770020 (Hach Pacific Pty Ltd), 2770020 (Saab Australia Pty Ltd).
Key specifications for 2770020: Special Features: STANDARD, SINGLET SINGLE USE PH4.01, 20 PER PK; Part Name Assigned by Controlling Agency: BUFFER SOLUTION. 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.