The Cap Nut Atomizer, cataloged under National Stock Number 4530-01-088-8184, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Affinito Machine and Tool Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4530-01-088-8184 |
| Primary Part Number | 4216-01 |
| Item Name | Cap Nut Atomizer |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Affinito Machine and Tool Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AISI 4150;HEXAGON SHAPE;BLACK OXIDE SURFACE TREATMENT;1.500 IN.ACROSS FLATS;1.205 IN. LG;THD INTERNALLY 1-5/16 UN-2B 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 |
|---|---|
| 4216-01 | Affinito Machine and Tool Llc (USA) |
| Reference | Meaning |
|---|---|
| 4216-01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4530-01-088-8184 is a Cap Nut Atomizer, manufactured by Affinito Machine and Tool Llc, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-01-088-8184 has 1 manufacturer part number on file: 4216-01 (Affinito Machine and Tool Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-102-1852, 6150-01-541-7241. Verify interchangeability with system specifications before substitution.
Key specifications for 4216-01: General Characteristics Item Description: STEEL AISI 4150;HEXAGON SHAPE;BLACK OXIDE SURFACE TREATMENT;1.500 IN.ACROSS FLATS;1.205 IN. LG;THD INTERNALLY 1-5/16 UN-2B 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.