The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-286-0240, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-286-0240 |
| Primary Part Number | 7M557-4-0101 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Measuring Method and Length | 10.125 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| End Connection Design | STRAIGHT FIRST END |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES,00624 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.640 INCHES NOMINAL IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Unable to Decode | UNABLE TO DECODE |
| Features Provided | REUSABLE END FITTINGS |
| Inside Diameter | 0.173 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Hydrostatic Test Pressure | 3000.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 12000.0 POUNDS PER SQUARE INCH LBS |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| AE3663275E0101 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 7M557-4-0101 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 7M557 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4720-01-286-0240 is a Hose Assembly,nonmetallic, manufactured by The Boeing Company Div Defense, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-286-0240 has 2 manufacturer part numbers on file: AE3663275E0101 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 7M557-4-0101 (The Boeing Company Div Defense).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-286-0241, 4720-01-294-9602. Verify interchangeability with system specifications before substitution.
Key specifications for 7M557-4-0101: Measuring Method and Length: 10.125 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 2.000 INCHES IN; Unable to Decode: UNABLE TO DECODE; Unable to Decode: UNABLE TO DECODE. 21 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.