The Buffer Solution,standard, cataloged under National Stock Number 6550-01-735-7398, is classified within Federal Supply Class 6550 (In Vitro Diagnostic Substances, Reagents, Test Kits and Sets) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Fisher Scientific Company L.l.c. Dba Thermofisher Scientific. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: SE.
| Parameter | Value |
|---|---|
| NSN | 6550-01-735-7398 |
| Primary Part Number | S17719 |
| Item Name | Buffer Solution,standard |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Fisher Scientific Company L.l.c. Dba Thermofisher Scientific |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | SE |
| Part Number | Manufacturer |
|---|---|
| 3077-05 | Weber Scientific, Inc. (USA) |
| S17719 PRIMARY | Fisher Scientific Company L.l.c. Dba Thermofisher Scientific (USA) |
| Reference | Meaning |
|---|---|
| 6550NCM252129 | 5/1 Secondary reference Defense Medical Standardization Board |
| HYDRION TRI-CHEK PH BUFFER C | 5/1 Secondary reference Weber Scientific, Inc. |
| TRI-CHECK BUFFER SETS | 5/1 Secondary reference Fisher Scientific Company L.l.c. Dba Thermofisher Scientific |
| 1707232 | 5/1 Secondary reference U.S. Government activity |
NSN 6550-01-735-7398 is a Buffer Solution,standard, manufactured by Fisher Scientific Company L.l.c. Dba Thermofisher Scientific, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-735-7398 has 2 manufacturer part numbers on file: 3077-05 (Weber Scientific, Inc.), S17719 (Fisher Scientific Company L.l.c. Dba Thermofisher Scientific).
Key specifications for S17719: Special Features: CALIBRATED AND PREWEIGHED AMOUNTS OF BUFFER POWDERS AT THREE PH VALUES 4.0, 7.0 AND 10.0. COLOR-KEYED BUFFER PRESERVATIVE (INCLUDED) PROLONGS THE USEFUL LIFE OF THE BUFFER SOLUTION. DISSOLVES RAPIDLY IN WATER. ACCURATE TO WITHIN 0.02PH AT 25 C. EACH CAPSULE CONTAINS SUFFICIENT POWDER TO MAKE 100ML OF BUFFER SOLUTION. PH MODE: 0.00 TO 14.00PH WITH A RESOLUTION OF 0.01PH AND AN ACCURACY OF 0.01PH. MV MODE: 0 TO 1999 WITH A RESOLUTION OF 1MV AND AN ACCURACY OF 1MV. TEMPERATURE MODE: -5.0 TO +105.0 C, RESOLUTION: 1 C, ACCURACY: 0.5 C.; Part Name Assigned by Controlling Agency: TRI-CHEK BUFFER SET-VIAL 4-7-10. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.