The Test Kit,thyroxine Determination, cataloged under National Stock Number 6550-01-363-1197, 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 Abbott Laboratories Diagnostics Div. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6550-01-363-1197 |
| Primary Part Number | 2222-66 |
| Item Name | Test Kit,thyroxine Determination |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Abbott Laboratories Diagnostics Div |
| Status | ACTIVE |
| Supplementary Features | MEDSEP ITEM FOR DOD,ABBOTT LABS |
| Protective Storage Feature | REQUIRES REFRIGERATION BETWEEN 2 DEG TO 8 DEG C DEGC |
| Test Capability Quantity | 100 |
| Usage Design | FOR THE QUANTITATIVE MEASUREMENT OF FREE THYROXINE IN HUMAN SERUM AND HEPARINIZED PLASMA |
| Component Breakdown Within Each Test Kit | 1 NINE ML BT ANTI-T4 (SHEEP) MICROPARTICLES IN BUFFER W/PROTEIN STABILIZERS; 1 EIGHT ML BT T3(ALKALINE PHOSPHATASE CONJUGATE IN BUFFER W/PROTEIN STABILIZERS) MINIMUM CONCENTRATION 0.4 NG PER ML; 1 TEN ML BT 4-METHYLUMBELLIFERYL PHOSPHATE,1.2MMOL IN BUFFER; 1 THIRTEEN ML BT SOLUBILIZER SOLUTION; 1 FOUR ML BT IMX FREE T4 MODE 1 CALIBRATOR (1.0 NG PER DL); 100 MEIA REACTION CELLS |
| 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 | EA |
| Part Number | Manufacturer |
|---|---|
| 2222-66 PRIMARY | Abbott Laboratories Diagnostics Div (USA) |
| Reference | Meaning |
|---|---|
| A92G044 | 5/1 Secondary reference Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa |
| FREE T4 ASSAY SYSTEM | 5/1 Secondary reference Abbott Laboratories Diagnostics Div |
NSN 6550-01-363-1197 is a Test Kit,thyroxine Determination, manufactured by Abbott Laboratories Diagnostics Div, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-363-1197 has 1 manufacturer part number on file: 2222-66 (Abbott Laboratories Diagnostics Div).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-382-2049. Verify interchangeability with system specifications before substitution.
Key specifications for 2222-66: Supplementary Features: MEDSEP ITEM FOR DOD,ABBOTT LABS; Protective Storage Feature: REQUIRES REFRIGERATION BETWEEN 2 DEG TO 8 DEG C DEGC; Special Features: FOR USE W/ABBOTT IMX ANALYZER; Test Capability Quantity: 100. 5 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.