The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-453-0566, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Altec Air, Llc Dba Altec Llc. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-453-0566 |
| Primary Part Number | PB431 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Altec Air, Llc Dba Altec Llc |
| Status | ACTIVE |
| Measuring Method and Length | 16.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -100.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Connection Style | SWIVEL NUT FLARE SECOND END |
| Connection Style | INVERTED FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Vacuum in Torr | 50.8 |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.3125 INCHES NOMINAL IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | REUSABLE END FITTINGS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Seat Angle | 30.0 DEGREES FIRST END |
| Inside Diameter | 0.1875 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Thread Class | 3B SECOND END |
| Burst Test Pressure | 10000.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPTF FIRST END |
| Thread Series Designator | UNF SECOND 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 |
|---|---|
| PB431 | Altec Air, Llc Dba Altec Llc (USA) |
| Reference | Meaning |
|---|---|
| 919-01-06-4-4-4-16B | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-453-0566 is a Hose Assembly,nonmetallic, manufactured by Altec Air, Llc Dba Altec Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-453-0566 has 1 manufacturer part number on file: PB431 (Altec Air, Llc Dba Altec Llc).
Key specifications for PB431: Measuring Method and Length: 16.000 INCHES NOMINAL WORKING IN; Temp Rating: -100.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 2.000 INCHES IN; Connection Style: SWIVEL NUT FLARE SECOND END. 27 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.