The Tailpiece,waste Drain, cataloged under National Stock Number 4510-01-515-8590, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Sea-Tech Systems, Inc. Dba Sea Tech Systems. Government technical data includes 3 specifications, 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. 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 | 4510-01-515-8590 |
| Primary Part Number | 31-0116 |
| Item Name | Tailpiece,waste Drain |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Sea-Tech Systems, Inc. Dba Sea Tech Systems |
| Status | ACTIVE |
| Length | 6.000 INCHES NOMINAL IN |
| Drain Outlet Outside Diameter Accommodated | 1.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 31-0116 PRIMARY | Sea-Tech Systems, Inc. Dba Sea Tech Systems (USA) |
| 41-0300 PC NO 6 | Sea-Tech Systems, Inc. Dba Sea Tech Systems (USA) |
NSN 4510-01-515-8590 is a Tailpiece,waste Drain, manufactured by Sea-Tech Systems, Inc. Dba Sea Tech Systems, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-515-8590 has 2 manufacturer part numbers on file: 31-0116 (Sea-Tech Systems, Inc. Dba Sea Tech Systems), 41-0300 PC NO 6 (Sea-Tech Systems, Inc. Dba Sea Tech Systems).
2 possible matches (shared part number, not a government interchangeability claim): 6250-01-522-5280, 5998-01-538-1142. Verify interchangeability with system specifications before substitution.
Key specifications for 31-0116: Length: 6.000 INCHES NOMINAL IN; Drain Outlet Outside Diameter Accommodated: 1.500 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: TAILPIECE, PC; End Item Identification: WATER CLOSET, NSN 4510-01-515-8516. 3 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.