The Hose,nonmetallic, cataloged under National Stock Number 4720-01-439-2370, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-439-2370 |
| Primary Part Number | 2D3-05192 IT NO 26 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 3.120 INCHES NOMINAL IN |
| Operating Pressure | 62.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Inside Diameter | 2.500 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE |
| 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 |
|---|---|
| 2D3-05192 IT NO 26 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2D3-05192 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
| 40C4H | 5/9 Secondary reference Gates Corporation |
NSN 4720-01-439-2370 is a Hose,nonmetallic, manufactured by Lake Shore Systems, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-439-2370 has 1 manufacturer part number on file: 2D3-05192 IT NO 26 (Lake Shore Systems, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-440-7279, 4820-01-441-5244. Verify interchangeability with system specifications before substitution.
Key specifications for 2D3-05192 IT NO 26: Cross-Sectional Shape Style: ROUND; Outside Diameter: 3.120 INCHES NOMINAL IN; Operating Pressure: 62.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Inside Diameter: 2.500 INCHES NOMINAL IN. 5 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.