The Soot Blower Element, cataloged under National Stock Number 4410-01-186-9587, is classified within Federal Supply Class 4410 (Industrial Boilers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Diamond Power International, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4410-01-186-9587 |
| Primary Part Number | 3-34550-UNITC |
| Item Name | Soot Blower Element |
| FSC / FSG | 4410 / 44 — Industrial Boilers |
| Manufacturer | Diamond Power International, Inc. |
| Status | ACTIVE |
| Closed End Type | ROLLED OR SPUN |
| Nozzle Spacing | SPACED 2.910 INCHES APART IN |
| Coupler | INCLUDED |
| Material | STEEL |
| Outside Diameter | 1.500 INCHES IN |
| Nozzle Type | WELDED PAD |
| Nozzle Size | 0.250 INCHES IN |
| Nozzle Quantity and Location | 35 FIRST ROW |
| 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 |
|---|---|
| 3-34550-UNITC PRIMARY | Diamond Power International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3-34550-1 UNIT C | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 3-34550 | D/9 Drawing number reference only Diamond Power International, Inc. |
| 3-34550-UNITC | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 3-34550-UNITC | 5/9 Secondary reference Babcock & Wilcox Co |
| 3-34550-1 UNIT C | C/1 Advisory reference — outside the item-of-supply concept Babcock & Wilcox Co |
NSN 4410-01-186-9587 is a Soot Blower Element, manufactured by Diamond Power International, Inc., classified under FSC 4410, Industrial Boilers. Status: active.
NSN 4410-01-186-9587 has 1 manufacturer part number on file: 3-34550-UNITC (Diamond Power International, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4410-01-186-9588, 4410-01-186-9589, 4410-01-186-9590. Verify interchangeability with system specifications before substitution.
Key specifications for 3-34550-UNITC: Overall Length: 10.323 FEET NOMINAL FT; Closed End Type: ROLLED OR SPUN; Nozzle Spacing: SPACED 2.910 INCHES APART IN; Coupler: INCLUDED. 8 specifications are 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.