The Insert,tube Fitting, cataloged under National Stock Number 4730-01-607-7142, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mission Rubber Company, Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-607-7142 |
| Primary Part Number | 20R175 |
| Item Name | Insert,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mission Rubber Company, Llc |
| Status | ACTIVE |
| Style Designator | PLAIN |
| Sleeve Outside Diameter | 2.00 INCHES NOMINAL IN |
| Tube Inside Diameter for Which Designed | 1.75 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | RUBBER SYNTHETIC |
| Flange Outside Diameter | 2.50 INCHES NOMINAL 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 |
|---|---|
| 20R175 PRIMARY | Mission Rubber Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 17-3-3333 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-607-7142 is a Insert,tube Fitting, manufactured by Mission Rubber Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-607-7142 has 1 manufacturer part number on file: 20R175 (Mission Rubber Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-615-1829. Verify interchangeability with system specifications before substitution.
Key specifications for 20R175: Style Designator: PLAIN; Sleeve Outside Diameter: 2.00 INCHES NOMINAL IN; Tube Inside Diameter for Which Designed: 1.75 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 6 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.