The Breaker,vacuum, cataloged under National Stock Number 4510-00-138-5502, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4510-00-138-5502 |
| Item Name | Breaker,vacuum |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,VACUUM BREAKER W/BOTTOM PORTS |
| 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 |
|---|---|
| K2-0016 | 5/9 Secondary reference Kreonite Inc |
| K2-0016-13 | 3/9 Design control — primary reference Kreonite Inc |
NSN 4510-00-138-5502 is a Breaker,vacuum, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-023-8238, 5999-01-629-2920. Verify interchangeability with system specifications before substitution.
Key specifications for 4510-00-138-5502: General Characteristics Item Description: STEEL,VACUUM BREAKER W/BOTTOM PORTS. 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.