The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-281-0997, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-281-0997 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 11.000 INCHES NOMINAL WORKING IN |
| Minimum Inside Bending Radius | 5.000 INCHES IN |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER BRAIDED BRONZE WIRE |
| Outside Diameter | 0.688 INCHES NOMINAL IN |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Inside Surface Condition | SMOOTH |
| Unable to Decode | UNABLE TO DECODE |
| 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 | 300.0 POUNDS PER SQUARE INCH LBS |
| Unable to Decode | UNABLE TO DECODE |
| Outer Covering Environmental Protection | ACID RESISTANT AND FUEL RESISTANT AND HYDRAULIC SOLUTION RESISTANT AND SOLVENT RESISTANT AND STEAM RESISTANT AND CORROSION RESISTANT |
| 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 |
| Reference | Meaning |
|---|---|
| B-910-11.0 | 3/9 Design control — primary reference Everflex Products Inc |
| 8557983 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 8557983-13 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 4720-01-281-0997 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-290-4456. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-01-281-0997: Measuring Method and Length: 11.000 INCHES NOMINAL WORKING IN; Minimum Inside Bending Radius: 5.000 INCHES IN; Unable to Decode: UNABLE TO DECODE; Unable to Decode: UNABLE TO DECODE. 19 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.