The Phosphate Diluent, cataloged under National Stock Number 6550-01-558-8333, 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 Biogenex Laboratories Div Biogenex Laboratories Inc. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6550-01-558-8333 |
| Primary Part Number | HK156-5K |
| Item Name | Phosphate Diluent |
| FSC / FSG | 6550 / 65 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets |
| Manufacturer | Biogenex Laboratories Div Biogenex Laboratories Inc |
| Status | ACTIVE |
| Primary Container Content Quantity | 100.000 MILLILITERS |
| Supplementary Features | USE WITH CONCENTRATED ANTIBODIES,ALKALINE PHOSPHATASE LABELS AND CONCENTRATED GOAT LINK CAT. NO. HK327-UG;LABORATORY USE ONLY |
| Features Provided | THINNER |
| Primary Container Type | BOTTLE |
| Physical Form | LIQUID |
| Usage Design | DILUTION OF CONCENTRATED PRIMARY ANTIBODY AND ALKALINE PHOSPHATASE LABELS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HK156-5K PRIMARY | Biogenex Laboratories Div Biogenex Laboratories Inc (USA) |
NSN 6550-01-558-8333 is a Phosphate Diluent, manufactured by Biogenex Laboratories Div Biogenex Laboratories Inc, classified under FSC 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. Status: active.
NSN 6550-01-558-8333 has 1 manufacturer part number on file: HK156-5K (Biogenex Laboratories Div Biogenex Laboratories Inc).
Key specifications for HK156-5K: Primary Container Content Quantity: 100.000 MILLILITERS; Supplementary Features: USE WITH CONCENTRATED ANTIBODIES,ALKALINE PHOSPHATASE LABELS AND CONCENTRATED GOAT LINK CAT. NO. HK327-UG;LABORATORY USE ONLY; Features Provided: THINNER; Primary Container Type: BOTTLE. 6 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.
NSN 6550-01-558-8333 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.