The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-442-3980, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Global Systems Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-01-442-3980 |
| Primary Part Number | HA057 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Global Systems Inc |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES FIRST END |
| Measuring Method and Length | 27.000 INCHES NOMINAL OVERALL IN |
| Connection Style | PLAIN SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| End Connection Design | ELBOW FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | NITROGEN, GASEOUS SINGLE RESPONSE |
| Thread Class | 3B FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | NPT 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 |
|---|---|
| HA057 PRIMARY | Global Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| HA057 | 3/9 Design control — primary reference Flo-Products Company Div Gsi Flo |
NSN 4720-01-442-3980 is a Hose Assembly,nonmetallic, manufactured by Global Systems Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-442-3980 has 1 manufacturer part number on file: HA057 (Global Systems Inc).
Key specifications for HA057: Flow Angle: 90.0 DEGREES FIRST END; Measuring Method and Length: 27.000 INCHES NOMINAL OVERALL IN; Connection Style: PLAIN SECOND END; Connection Style: SWIVEL NUT FLARE FIRST END. 20 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.