The Silver Alloy Powder and Mercury, cataloged under National Stock Number 6520-01-482-1644, is classified within Federal Supply Class 6520 (Dental Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Kerr Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: PG.
| Parameter | Value |
|---|---|
| NSN | 6520-01-482-1644 |
| Primary Part Number | 29970 |
| Item Name | Silver Alloy Powder and Mercury |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Kerr Corporation |
| Status | ACTIVE |
| Quantity Within Each Immediate Container | 1 |
| Immediate Container Type | CAPSULE |
| Precious Material | SILVER |
| Immediate Container Quantity | 500 |
| Physical Form | LIQUID AND POWDER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Unit of Issue | PG |
| Part Number | Manufacturer |
|---|---|
| 29970 PRIMARY | Kerr Corporation (USA) |
| Reference | Meaning |
|---|---|
| 01-0053 | 5/1 Secondary reference U.S. Government activity |
| CONTOUR DISPERSED PHASE ALLOY | 5/1 Secondary reference Kerr Corporation |
NSN 6520-01-482-1644 is a Silver Alloy Powder and Mercury, manufactured by Kerr Corporation, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-482-1644 has 1 manufacturer part number on file: 29970 (Kerr Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 6520-01-482-1646, 2910-01-650-2484. Verify interchangeability with system specifications before substitution.
Key specifications for 29970: Quantity Within Each Immediate Container: 1; Immediate Container Type: CAPSULE; Precious Material: SILVER; Immediate Container Quantity: 500. 5 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.