The Boiler Tube, cataloged under National Stock Number 4410-00-377-9745, is classified within Federal Supply Class 4410 (Industrial Boilers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Babcock & Wilcox 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4410-00-377-9745 |
| Primary Part Number | 7004253 |
| Item Name | Boiler Tube |
| FSC / FSG | 4410 / 44 — Industrial Boilers |
| Manufacturer | Babcock & Wilcox Co |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 7004253 PRIMARY | Babcock & Wilcox Co (USA) |
| Reference | Meaning |
|---|---|
| MX251181-1PCDFL | 5/9 Secondary reference Babcock & Wilcox Co |
| MX253030-4PCDFL | 5/9 Secondary reference Babcock & Wilcox Co |
| MX253030DFL | 5/9 Secondary reference Babcock & Wilcox Co |
| MX253030-6MKDFL | 5/9 Secondary reference Babcock & Wilcox Co |
| MX253030-MKDFL | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| NY420-923-3PCDFL | 5/9 Secondary reference Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| MX243194-9PCDFL | 5/9 Secondary reference Babcock & Wilcox Co |
| 7004253 | 3/9 Design control — primary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
NSN 4410-00-377-9745 is a Boiler Tube, manufactured by Babcock & Wilcox Co, classified under FSC 4410, Industrial Boilers. Status: active.
NSN 4410-00-377-9745 has 1 manufacturer part number on file: 7004253 (Babcock & Wilcox Co).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-425-3433. Verify interchangeability with system specifications before substitution.
Key specifications for 7004253: Special Features: BENT TUBE; End Item Identification: MARINE BOILER, BABCOCK AND WILCOX; Material: STEEL. 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.