The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-644-0827, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-644-0827 |
| Primary Part Number | MA1147V |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Measuring Method and Length | 30.000 INCHES NOMINAL WORKING IN |
| Connection Style | INVERTED FLARE SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| Seat Nominal Radius | 0.400 INCHES FIRST END IN |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.719 INCHES MINIMUM IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Inside Diameter | 0.352 INCHES MINIMUM IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| 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 |
|---|---|
| MA1147V PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 4720-01-644-0827 is a Hose Assembly,nonmetallic, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-644-0827 has 1 manufacturer part number on file: MA1147V (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for MA1147V: Measuring Method and Length: 30.000 INCHES NOMINAL WORKING IN; Connection Style: INVERTED FLARE SECOND END; Connection Style: SWIVEL NUT FLARE FIRST END; Seat Nominal Radius: 0.400 INCHES FIRST END IN. 10 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.