The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-786-2991, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-786-2991 |
| Primary Part Number | 5115749 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Measuring Method and Length | 36.750 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 3.500 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED TEXTILE YARN AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED FABRIC |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.219 INCHES NOMINAL IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | REUSABLE END FITTINGS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Seat Angle | 30.0 DEGREES FIRST END |
| Exterior Color | BLACK |
| Inside Diameter | 0.875 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | AIR AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 800.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2B FIRST END |
| Burst Test Pressure | 1600.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 14 FIRST END |
| Outer Covering Environmental Protection | COLD RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT |
| Thread Series Designator | UNS FIRST 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 |
|---|---|
| 5115749 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 5115749 | 5/9 Secondary reference Spalla Inc |
| 213R16-ASN16-ASN16-27 | 5/9 Secondary reference U.S. Government activity |
| 5115749 | 5/9 Secondary reference General Motors Corp |
| 2130808-16-16-16-36.75 | 3/2 Design control — primary reference U.S. Government activity |
| 2130808-16-16-16-36.75 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-00-786-2991 is a Hose Assembly,nonmetallic, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-786-2991 has 1 manufacturer part number on file: 5115749 (Rolls-Royce Solutions America Inc).
Key specifications for 5115749: Measuring Method and Length: 36.750 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 3.500 INCHES IN; Connection Style: SWIVEL NUT FLARE FIRST END. 24 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.