The Barrel,atomizer, cataloged under National Stock Number 4530-01-087-1751, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Babcock & Wilcox Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Barrel,atomizer |
| FSC / FSG | 4530 — Fuel Burning Equipment Units (FSG 45) |
| Manufacturers | Babcock & Wilcox Co (CAGE 05073) |
| Parameter | Value |
|---|---|
| NSN | 4530-01-087-1751 |
| Primary Part Number | 201942D |
| Item Name | Barrel,atomizer |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Babcock & Wilcox Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 201942D PRIMARY | Babcock & Wilcox Co (USA) |
| Reference | Meaning |
|---|---|
| 201942D | 3/9 Design control — primary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 1039-87-2FT 1 11-16LG | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 1039-0187 2 311/16 | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 1039-0187-2FT 1 11-16LG | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 1039-87-2FT 1 11-16LG | 5/9 Secondary reference Babcock & Wilcox Co |
NSN 4530-01-087-1751 is a Barrel,atomizer, manufactured by Babcock & Wilcox Co, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-01-087-1751 has 1 manufacturer part number on file: 201942D (Babcock & Wilcox Co).
4 possible matches (shared part number, not a government interchangeability claim): 4530-01-087-1752, 4530-01-134-9893, 4710-01-208-4848. Verify interchangeability with system specifications before substitution.
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.