The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-868-7315, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Limco Airepair Inc.. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-868-7315 |
| Primary Part Number | B27-256-2 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Limco Airepair Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 17.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 3.000 INCHES IN |
| Connection Style | INVERTED FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER BRAIDED COTTON CORD |
| Connection Type | THREADED EXTERNAL PIPE FIRST ENDUNABLE TO DECODE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.516 INCHES NOMINAL IN |
| Operating Pressure | 300.0 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 | 0.125 INCHES FIRST END IN |
| Nominal Thread Size | UNABLE TO DECODE |
| Seat Angle | 30.0 DEGREES FIRST ENDUNABLE TO DECODE |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 6000.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 12000.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | MILDEW RESISTANT |
| Thread Series Designator | NPTF FIRST ENDUNABLE 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 |
|---|---|
| B27-256-2 PRIMARY | Limco Airepair Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2010101-4-4-4B-17.00 | 5/9 Secondary reference U.S. Government activity |
| 2010101-4-4-4B-17.00 | 3/2 Design control — primary reference U.S. Government activity |
| 121-326-326-4B-17 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-00-868-7315 is a Hose Assembly,nonmetallic, manufactured by Limco Airepair Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-868-7315 has 1 manufacturer part number on file: B27-256-2 (Limco Airepair Inc.).
Key specifications for B27-256-2: Measuring Method and Length: 17.000 INCHES NOMINAL OVERALL IN; Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 3.000 INCHES IN; Connection Style: INVERTED FLARE FIRST END. 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.