The Tube Plug Assembly, cataloged under National Stock Number 4410-00-022-9934, is classified within Federal Supply Class 4410 (Industrial Boilers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Iseli Co. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Tube Plug Assembly |
| FSC / FSG | 4410 — Industrial Boilers (FSG 44) |
| Manufacturers | Iseli Co (CAGE 05033) |
| Parameter | Value |
|---|---|
| NSN | 4410-00-022-9934 |
| Primary Part Number | 3016599 |
| Item Name | Tube Plug Assembly |
| FSC / FSG | 4410 / 44 — Industrial Boilers |
| Manufacturer | Iseli Co |
| 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 |
|---|---|
| 3016599 PRIMARY | Iseli Co (USA) |
| Reference | Meaning |
|---|---|
| 1627F PIECE 366 | C/1 Advisory reference — outside the item-of-supply concept Babcock & Wilcox Co |
| 1627FPC3660X3661 | 5/9 Secondary reference Babcock & Wilcox Co |
| 1627FPC3660-3661 | 5/9 Secondary reference Babcock & Wilcox Co |
| 91982-3659X3660 | 5/9 Secondary reference Babcock & Wilcox Co |
NSN 4410-00-022-9934 is a Tube Plug Assembly, manufactured by Iseli Co, classified under FSC 4410, Industrial Boilers. Status: active.
NSN 4410-00-022-9934 has 1 manufacturer part number on file: 3016599 (Iseli Co).
1 possible match (shared part number, not a government interchangeability claim): 3130-01-566-2945. Verify interchangeability with system specifications before substitution.
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.