The Trap,drain,plumbing Fixture, cataloged under National Stock Number 4510-01-502-6545, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 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 | 4510-01-502-6545 |
| Primary Part Number | 7492-G501 |
| Item Name | Trap,drain,plumbing Fixture |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Cleanout Plug | NOT PROVIDED |
| Swivel | NOT INCLUDED |
| Vent | NOT INCLUDED |
| Antisiphon Feature | NOT INCLUDED |
| Shape | ANY ACCEPTABLE |
| Inlet Connection Nominal Pipe Size Accommodated | 0.250 INCHES IN |
| Adjustable Standard | NOT PROVIDED |
| Material | STEEL CORROSION RESISTING AND RUBBER AND COPPER ALLOY |
| Outlet Connection Nominal Pipe Size Accommodated | 0.250 INCHES 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 |
|---|---|
| 7053 ITEM 6 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 7492-G501 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 7492D-G501 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 7492 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
NSN 4510-01-502-6545 is a Trap,drain,plumbing Fixture, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-502-6545 has 4 manufacturer part numbers on file: 7053 ITEM 6 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7492-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7492D-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7492 (Howell Laboratories Inc Dba Howell Laboratories Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6640-01-564-0796, 5930-01-616-9222. Verify interchangeability with system specifications before substitution.
Key specifications for 7492-G501: Cleanout Plug: NOT PROVIDED; Swivel: NOT INCLUDED; Vent: NOT INCLUDED; Antisiphon Feature: NOT INCLUDED. 9 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.