The Barrel-Sub Assembly, cataloged under National Stock Number 4530-01-268-3022, 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 Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Barrel-Sub Assembly |
| FSC / FSG | 4530 — Fuel Burning Equipment Units (FSG 45) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 4530-01-268-3022 |
| Primary Part Number | 221-5557344 3-7 10AND11 |
| Item Name | Barrel-Sub Assembly |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 221-5557344 3-7 10AND11 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4530-01-268-3022 is a Barrel-Sub Assembly, manufactured by Naval Sea Systems Command, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-01-268-3022 has 1 manufacturer part number on file: 221-5557344 3-7 10AND11 (Naval Sea Systems Command).
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.