The Holder,nozzle Assembly, cataloged under National Stock Number 4940-01-190-2860, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Vapor Blast Manufacturing Co. Government technical data includes 1 specification, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-190-2860 |
| Primary Part Number | A43-645 |
| Item Name | Holder,nozzle Assembly |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Vapor Blast Manufacturing Co |
| Status | ACTIVE |
| General Characteristics Item Description | O/A LG 4.375 IN. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A43-645 PRIMARY | Vapor Blast Manufacturing Co (USA) |
NSN 4940-01-190-2860 is a Holder,nozzle Assembly, manufactured by Vapor Blast Manufacturing Co, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-190-2860 has 1 manufacturer part number on file: A43-645 (Vapor Blast Manufacturing Co).
1 possible match (shared part number, not a government interchangeability claim): 5355-01-305-9072. Verify interchangeability with system specifications before substitution.
Key specifications for A43-645: General Characteristics Item Description: O/A LG 4.375 IN. IN; End Item Identification: 4940002558687. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.