The Hose,preformed, cataloged under National Stock Number 4720-00-378-3085, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-378-3085 |
| Primary Part Number | W304776 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Style Designator | STRAIGHT |
| Wall Thickness | 0.172 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND B GRADE AND 1 CLASS |
| Inside Diameter | 1.000 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC COVER |
| Material | RUBBER SYNTHETIC OVERALL |
| Working Length | 4.000 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 |
|---|---|
| W304776 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| W304776 | 5/9 Secondary reference U.S. Government activity |
| ZZ-H-428 | 4/1 Identification reference U.S. Government activity |
NSN 4720-00-378-3085 is a Hose,preformed, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-378-3085 has 1 manufacturer part number on file: W304776 (Northrop Grumman Systems Corporation).
Key specifications for W304776: Style Designator: STRAIGHT; Wall Thickness: 0.172 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 1 TYPE AND B GRADE AND 1 CLASS; Inside Diameter: 1.000 INCHES NOMINAL IN. 7 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.