The Handpiece,dental, cataloged under National Stock Number 6520-01-494-7751, 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 Bien Air Usa Inc Div Bien Air Usa. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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: EA.
| Parameter | Value |
|---|---|
| NSN | 6520-01-494-7751 |
| Primary Part Number | 133.38.01 |
| Item Name | Handpiece,dental |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Bien Air Usa Inc Div Bien Air Usa |
| Status | ACTIVE |
| Head Adjustability | NONADJUSTABLE |
| Handpiece Design | CONTRA-ANGLE |
| 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 |
|---|---|
| 133.38.01 | Bien Air Usa Inc Div Bien Air Usa (USA) |
| Reference | Meaning |
|---|---|
| 02-0158 | 5/1 Secondary reference U.S. Government activity |
| 9400080 | 3/9 Design control — primary reference Bell Dental Products, Llc |
NSN 6520-01-494-7751 is a Handpiece,dental, manufactured by Bien Air Usa Inc Div Bien Air Usa, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-494-7751 has 1 manufacturer part number on file: 133.38.01 (Bien Air Usa Inc Div Bien Air Usa).
3 possible matches (shared part number, not a government interchangeability claim): 2915-01-514-6598, 9150-01-685-8821, 5310-01-733-2071. Verify interchangeability with system specifications before substitution.
Key specifications for 133.38.01: Head Adjustability: NONADJUSTABLE; Special Features: 2:1 REDUCTION CONTRA ANGLE; WITH FIBEROPTICS; Part Name Assigned by Controlling Agency: HANDPIECE DENTAL NONADJUSTABLE CONTRA-ANGLE E.I. 6520014933759; End Item Identification: 6520-01-493-3759, DENTAL OPERATING UNIT. 2 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.