The Hose Assembly,air Breathing, cataloged under National Stock Number 4720-01-463-1190, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hydraflow. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-463-1190 |
| Primary Part Number | 55094C0240J |
| Item Name | Hose Assembly,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| FSC Application Data | ACFT OXYGEN SYSTEM |
| Measuring Method and Length | 24.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 1.250 INCHES IN |
| Special Test Features | BURST PRESS: 2000.0 PSI; PROOF PRESS: 1000.0 PSI |
| Connection Type | THREADED BOTH ENDS |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 0.375 INCHES NOMINAL FIRST END IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) BOTH ENDS |
| 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 |
|---|---|
| 55094C0240J PRIMARY | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| 4720PL1737393 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C20469B06K0240 | 7/2 Vendor item drawing reference U.S. Government activity |
| C20469 | D/9 Drawing number reference only U.S. Government activity |
| 4720PL0554481 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4720-01-463-1190 is a Hose Assembly,air Breathing, manufactured by Hydraflow, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-463-1190 has 1 manufacturer part number on file: 55094C0240J (Hydraflow).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-465-3704. Verify interchangeability with system specifications before substitution.
Key specifications for 55094C0240J: FSC Application Data: ACFT OXYGEN SYSTEM; Measuring Method and Length: 24.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 1.250 INCHES IN; Special Test Features: BURST PRESS: 2000.0 PSI; PROOF PRESS: 1000.0 PSI. 9 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.