The Register,metal, cataloged under National Stock Number 4520-01-287-1060, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-287-1060 |
| Item Name | Register,metal |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Overall Thickness | 0.063 INCHES NOMINAL IN |
| Shape | ROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4788697 0012 | 3/2 Design control — primary reference U.S. Government activity |
| 845-4788697 ITEM 12 | 5/2 Secondary reference U.S. Government activity |
| 845-4788697 | D/9 Drawing number reference only U.S. Government activity |
| 845-4788696 ITEM 12 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4520-01-287-1060 is a Register,metal, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-385-5790, 5315-01-696-5803. Verify interchangeability with system specifications before substitution.
Key specifications for 4520-01-287-1060: Overall Thickness: 0.063 INCHES NOMINAL IN; Shape: ROUND; Overall Length: 4.000 INCHES NOMINAL IN. 2 specifications are 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.