The Fitting,hinge,trash Disposal Uni, cataloged under National Stock Number 4540-01-219-5661, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4540-01-219-5661 |
| Item Name | Fitting,hinge,trash Disposal Uni |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL-ALUMINUM-BRONZE ALLOY |
| 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 |
|---|---|
| 77656-31X4 PIECE 5 | 3/2 Design control — primary reference U.S. Government activity |
| SSN637-505-2143922 PIECE 5 | 5/2 Secondary reference U.S. Government activity |
| 77656-31X4 | D/9 Drawing number reference only U.S. Government activity |
| SSN637-505-2143922 | D/9 Drawing number reference only U.S. Government activity |
NSN 4540-01-219-5661 is a Fitting,hinge,trash Disposal Uni, classified under FSC 4540, Waste Disposal Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-220-0970, 3020-01-220-1242, 3020-01-220-1259. Verify interchangeability with system specifications before substitution.
Key specifications for 4540-01-219-5661: General Characteristics Item Description: NICKEL-ALUMINUM-BRONZE ALLOY. 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.