The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-452-8516, 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 Plc Div Defense (europe). Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-452-8516 |
| Primary Part Number | B453156 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Rolls-Royce Plc Div Defense (europe) |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES SECOND END |
| Measuring Method and Length | 17.500 INCHES NOMINAL OVERALL IN |
| Connection Style | SWIVEL NUT, INVERTED FLARE SECOND END |
| Connection Style | SWIVEL NUT, INVERTED FLARE FIRST END |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.400 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES SECOND END |
| Seat Angle | 12.0 DEGREES FIRST END |
| Exterior Color | NATURAL |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Outer Covering Environmental Protection | CORROSION RESISTANT |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF SECOND END |
| Inner Conveying Tube Style | ANNULAR CLOSE-PITCH CORRUGATED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| B453156 PRIMARY | Rolls-Royce Plc Div Defense (europe) (GBR) |
| Reference | Meaning |
|---|---|
| AV21-173 | 5/9 Secondary reference Meggitt (uk) Ltd, T/a Meggitt Control Systems |
| AV21-173 | C/1 Advisory reference — outside the item-of-supply concept Meggitt International Ltd |
NSN 4720-00-452-8516 is a Hose Assembly,metallic, manufactured by Rolls-Royce Plc Div Defense (europe), classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-452-8516 has 1 manufacturer part number on file: B453156 (Rolls-Royce Plc Div Defense (europe)).
Key specifications for B453156: Flow Angle: 90.0 DEGREES SECOND END; Measuring Method and Length: 17.500 INCHES NOMINAL OVERALL IN; Connection Style: SWIVEL NUT, INVERTED FLARE SECOND END; Connection Style: SWIVEL NUT, INVERTED FLARE FIRST END. 25 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.