The Tube,drain, cataloged under National Stock Number 4710-00-918-8913, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Tube,drain |
| FSC / FSG | 4710 — Pipe, Tube and Rigid Tubing (FSG 47) |
| Manufacturers | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934) |
| Parameter | Value |
|---|---|
| NSN | 4710-00-918-8913 |
| Primary Part Number | 541953 |
| Item Name | Tube,drain |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 541953 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 541953 | 3/9 Design control — primary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4710-00-918-8913 is a Tube,drain, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-918-8913 has 1 manufacturer part number on file: 541953 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-243-0725, 5330-01-298-1256. Verify interchangeability with system specifications before substitution.
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.