The Quadrant,adjustable, cataloged under National Stock Number 4530-00-083-2873, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Todd Combustion Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4530-00-083-2873 |
| Primary Part Number | Q1-1-1 |
| Item Name | Quadrant,adjustable |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Todd Combustion Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON; 2.350 IN. LG; 7.375 IN. W; 5.835 IN. H; TWO MTG HOLES 0.562 IN. DIA.,3.375 IN. CENTER TO CENTER; 0.875 IN. DIA PIVOT HOLE,3.000 IN. ENTER OF PIVOT HOLE TO CENTER OF QUADRANT CONTROL SLOT; 0.875 IN. SLOT WIDTH 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 |
|---|---|
| Q1-1-1 PRIMARY | Todd Combustion Inc (USA) |
| Reference | Meaning |
|---|---|
| Q1-1-1 | 5/9 Secondary reference Vigor Shipyards, Llc Div Vigor Shipyards, Inc. |
NSN 4530-00-083-2873 is a Quadrant,adjustable, manufactured by Todd Combustion Inc, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-00-083-2873 has 1 manufacturer part number on file: Q1-1-1 (Todd Combustion Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-812-7850, 5330-00-959-8392. Verify interchangeability with system specifications before substitution.
Key specifications for Q1-1-1: General Characteristics Item Description: CAST IRON; 2.350 IN. LG; 7.375 IN. W; 5.835 IN. H; TWO MTG HOLES 0.562 IN. DIA.,3.375 IN. CENTER TO CENTER; 0.875 IN. DIA PIVOT HOLE,3.000 IN. ENTER OF PIVOT HOLE TO CENTER OF QUADRANT CONTROL SLOT; 0.875 IN. SLOT WIDTH 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.