The Plug Assembly,tube, cataloged under National Stock Number 4520-00-394-7901, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Babcock & Wilcox Co. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Plug Assembly,tube |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Babcock & Wilcox Co (CAGE 05073) |
| Parameter | Value |
|---|---|
| NSN | 4520-00-394-7901 |
| Primary Part Number | MX270391-1PC6090 |
| Item Name | Plug Assembly,tube |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| 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 |
|---|---|
| MX270391-1PC6090 PRIMARY | Babcock & Wilcox Co (USA) |
| MX230714LC2L PRIMARY | Babcock & Wilcox Co (USA) |
| MX262887-3 PRIMARY | Babcock & Wilcox Co (USA) |
| MX270386-1PC6090 PRIMARY | Babcock & Wilcox Co (USA) |
| MX292833-3PC5161 PRIMARY | Babcock & Wilcox Co (USA) |
| MX262887-3PC2406 PRIMARY | Babcock & Wilcox Co (USA) |
| MS269598 PRIMARY | Babcock & Wilcox Co (USA) |
| ML230773-7PCLC2L PRIMARY | Babcock & Wilcox Co (USA) |
| MX292827-1PC5161 PRIMARY | Babcock & Wilcox Co (USA) |
| MX262886-6PC2406 PRIMARY | Babcock & Wilcox Co (USA) |
| Reference | Meaning |
|---|---|
| MX-230714 PIECE LC2-L | C/1 Advisory reference — outside the item-of-supply concept The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
NSN 4520-00-394-7901 is a Plug Assembly,tube, manufactured by Babcock & Wilcox Co, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-394-7901 has 10 manufacturer part numbers on file: MX270391-1PC6090 (Babcock & Wilcox Co), MX230714LC2L (Babcock & Wilcox Co), MX262887-3 (Babcock & Wilcox Co), MX270386-1PC6090 (Babcock & Wilcox Co), MX292833-3PC5161 (Babcock & Wilcox Co) and 5 more.
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.