The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-345-3881, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-345-3881 |
| Primary Part Number | PE44415-512 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES SECOND END |
| Measuring Method and Length | 53.750 INCHES NOMINAL OVERALL IN |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Cross-Sectional Shape Style | ROUND |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 2.750 INCHES FIRST END IN |
| Nominal Thread Size | 2.750 INCHES SECOND END IN |
| Inside Diameter | 1.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 150.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A FIRST END A |
| Thread Class | 1A SECOND END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UN SECOND END |
| 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 |
|---|---|
| 1977778 ASSY 13 | Northrop Grumman Systems Corporation (USA) |
| PE44415-512 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA) |
| Reference | Meaning |
|---|---|
| 1977778-13 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 1808422 ITEM 36 | 5/1 Secondary reference Northrop Grumman Systems Corporation |
| 1808422 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4720-01-345-3881 is a Hose Assembly,nonmetallic, manufactured by Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-345-3881 has 2 manufacturer part numbers on file: 1977778 ASSY 13 (Northrop Grumman Systems Corporation), PE44415-512 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control).
Key specifications for PE44415-512: Flow Angle: 90.0 DEGREES SECOND END; Measuring Method and Length: 53.750 INCHES NOMINAL OVERALL IN; End Connection Design: ELBOW SECOND END; End Connection Design: STRAIGHT FIRST END. 20 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.