The Register Ring, cataloged under National Stock Number 4530-01-030-8584, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Babcock & Wilcox Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4530-01-030-8584 |
| Primary Part Number | 69663D |
| Item Name | Register Ring |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Babcock & Wilcox Co |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,MIL-S-15083,23-5/8 IN. OD,21-5/8 IN. ID,2-1/8 IN. W,IRREGULAR GROOVE IN OD 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 |
|---|---|
| 1184F1-11 | Babcock & Wilcox Co (USA) |
| 69663D PRIMARY | Babcock & Wilcox Co (USA) |
| Reference | Meaning |
|---|---|
| 1184F1 | D/9 Drawing number reference only Babcock & Wilcox Co |
| MX-261193-3 PIECE 11 | C/1 Advisory reference — outside the item-of-supply concept The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| MX-242266-3 PIECE 11 | C/1 Advisory reference — outside the item-of-supply concept The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 7001196 | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| B-62667 | 5/9 Secondary reference Babcock & Wilcox Co |
| 7001196 | C/1 Advisory reference — outside the item-of-supply concept Babcock & Wilcox Co |
NSN 4530-01-030-8584 is a Register Ring, manufactured by Babcock & Wilcox Co, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-01-030-8584 has 2 manufacturer part numbers on file: 1184F1-11 (Babcock & Wilcox Co), 69663D (Babcock & Wilcox Co).
1 possible match (shared part number, not a government interchangeability claim): 4530-01-030-8585. Verify interchangeability with system specifications before substitution.
Key specifications for 69663D: General Characteristics Item Description: STEEL,MIL-S-15083,23-5/8 IN. OD,21-5/8 IN. ID,2-1/8 IN. W,IRREGULAR GROOVE IN OD 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.