The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-271-0148, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-271-0148 |
| Primary Part Number | 2B1-2522 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 13.000 INCHES NOMINAL OVERALL IN |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Inside Diameter | 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| 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 |
|---|---|
| 2B1-2522 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2D3-978-125 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| 2D3-978 ITEM 12 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 4720-01-271-0148 is a Hose Assembly,nonmetallic, manufactured by Lake Shore Systems, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-271-0148 has 1 manufacturer part number on file: 2B1-2522 (Lake Shore Systems, Inc.).
Key specifications for 2B1-2522: Measuring Method and Length: 13.000 INCHES NOMINAL OVERALL IN; Connection Type: THREADED INTERNAL TUBE FIRST END; Cross-Sectional Shape Style: ROUND; Nominal Thread Size: 0.562 INCHES FIRST END IN. 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.