The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-342-8664, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Hydrasearch Company, Llc (CAGE 32142); Northrop Grumman Systems Corporation (CAGE 03956); Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (CAGE 12190) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-342-8664 |
| Primary Part Number | PE-44415-501 |
| 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 |
| 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 |
|---|---|
| 1977778UM | Hydrasearch Company, Llc (USA) |
| 1977778-2 | Northrop Grumman Systems Corporation (USA) |
| PE-44415-501 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA) |
| Reference | Meaning |
|---|---|
| 1977778 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| 1808422 ITEM 25 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 1977778 ASSY 2 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 1808422 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4720-01-342-8664 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 4720-01-342-8664 has 3 manufacturer part numbers on file: 1977778UM (Hydrasearch Company, Llc), 1977778-2 (Northrop Grumman Systems Corporation), PE-44415-501 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-342-8665, 4720-01-342-8666, 4720-01-342-8667. 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.