The Diffuser,burner, cataloged under National Stock Number 4530-00-394-8463, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4530-00-394-8463 |
| Primary Part Number | H4530-394-8463 |
| Item Name | Diffuser,burner |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| General Characteristics Item Description | MATL CAST ALLOY STEEL,MIL-S-867,CLASS 1,10.000 IN. OD,1.875 IN. ID. FLANGE END,2.062 IN. ID PLAIN END,4.375 IN. H,2 HOLE FLANGE,0.375-16 UNC 2B THD,3.500 IN. C TO C,9.500 IN. OD,0.375 IN. THK,16 SLOTS 0.062 IN. W,2.875 IN. LG 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 |
|---|---|
| H4530-394-8463 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 1220K1-35-37 | 5/9 Secondary reference Todd Shipyards Corp |
| D3-33 | 5/9 Secondary reference Todd Shipyards Corp |
| MIL-S-867A | 4/1 Identification reference U.S. Government activity |
| D3-29 | 5/9 Secondary reference Todd Shipyards Corp |
NSN 4530-00-394-8463 is a Diffuser,burner, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-00-394-8463 has 1 manufacturer part number on file: H4530-394-8463 (Naval Inventory Control Point Mechanicsburg).
5 possible matches (shared part number, not a government interchangeability claim): 4820-00-529-4471, 5915-01-013-3771, 5310-01-110-8833. Verify interchangeability with system specifications before substitution.
Key specifications for H4530-394-8463: General Characteristics Item Description: MATL CAST ALLOY STEEL,MIL-S-867,CLASS 1,10.000 IN. OD,1.875 IN. ID. FLANGE END,2.062 IN. ID PLAIN END,4.375 IN. H,2 HOLE FLANGE,0.375-16 UNC 2B THD,3.500 IN. C TO C,9.500 IN. OD,0.375 IN. THK,16 SLOTS 0.062 IN. W,2.875 IN. LG IN. 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.