The Hose,nonmetallic, cataloged under National Stock Number 4720-00-951-5572, 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 Support Services Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-951-5572 |
| Primary Part Number | 331C194H04 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Layer Composition and Location | 1ST LAYER BRAIDED RAYON CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.531 INCHES NOMINAL IN |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Material | RUBBER POLYISOPRENE NATURAL CLASS NR 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 |
|---|---|
| 331C194H04 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| 331C194H04 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 331C194H04 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4720-00-951-5572 is a Hose,nonmetallic, manufactured by Northrop Grumman Support Services Corp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-951-5572 has 2 manufacturer part numbers on file: 331C194H04 (Northrop Grumman Support Services Corp), 331C194H04 (Westinghouse Electric Corp).
Key specifications for 331C194H04: Layer Composition and Location: 1ST LAYER BRAIDED RAYON CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.531 INCHES NOMINAL IN; Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 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.