The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-021-2353, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-021-2353 |
| Primary Part Number | SS40-27A184-045 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES FIRST END |
| Flow Angle | 90.0 DEGREES SECOND END |
| Measuring Method and Length | 18.250 INCHES MINIMUM WORKING AND 18.750 INCHES MAXIMUM WORKING IN |
| Temp Rating | -65.0 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 | SWIVEL NUT FLARE FIRST END |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | ELBOW FIRST END |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Angle Between Rigid Elbow Fittings in Deg | 45.0 |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.296 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Specification/standard Data | 78286-SS40 MANUFACTURERS STANDARD |
| Inside Diameter | 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 3000.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 1200.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | COLD RESISTANT AND CORROSION RESISTANT AND FUEL RESISTANT AND HEAT RESISTANT |
| 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 |
|---|---|
| SS40-27A184-045 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| R3826-4-0184-045 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
NSN 4720-01-021-2353 is a Hose Assembly,nonmetallic, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-021-2353 has 2 manufacturer part numbers on file: SS40-27A184-045 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), R3826-4-0184-045 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division).
Key specifications for SS40-27A184-045: Flow Angle: 45.0 DEGREES FIRST END; Flow Angle: 90.0 DEGREES SECOND END; Measuring Method and Length: 18.250 INCHES MINIMUM WORKING AND 18.750 INCHES MAXIMUM WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF. 30 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.