The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-421-9807, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is C-Tek Industries, Inc Dba C-Tek Industries Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-421-9807 |
| Primary Part Number | 90119 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | C-Tek Industries, Inc Dba C-Tek Industries Inc |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES FIRST END |
| Measuring Method and Length | 3.400 INCHES NOMINAL WORKING IN |
| Temp Rating | -54.0 FAHRENHEIT AND 125.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.125 INCHES NOMINAL FIRST END IN |
| Connection Style | RAISED FIRST END |
| End Connection Design | ELBOW FIRST END |
| Connection Type | RAISED FACE FLANGE FIRST END |
| Bolt Hole Diameter | 0.153 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.660 INCHES MAXIMUM IN |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Length | 1.365 INCHES NOMINAL FIRST END IN |
| Bolt Hole Quantity | 2 SECOND END |
| Bolt Circle Diameter | 0.900 INCHES NOMINAL FIRST END IN |
| Raised Face Diameter | 0.499 INCHES NOMINAL FIRST END IN |
| Raised Face Height | 0.188 INCHES NOMINAL FIRST END IN |
| Hydrostatic Test Pressure | 150.0 POUNDS PER SQUARE INCH LBS |
| Flange Style | OVAL FIRST END |
| End Flange Construction | SOLID FIRST 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 |
|---|---|
| 90119 PRIMARY | C-Tek Industries, Inc Dba C-Tek Industries Inc (USA) |
| 68483 PRIMARY | Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA) |
| 440314 | Raytheon Company (USA) |
| 440314 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 440314 | 7/2 Vendor item drawing reference Raytheon Company Div Corp |
| 14540-12 | 3/2 Design control — primary reference U.S. Government activity |
| 90119 | 5/9 Secondary reference Coast Metal Craft, Inc. |
| 68483 | 5/9 Secondary reference Senior Flexonics Inc |
NSN 4720-00-421-9807 is a Hose Assembly,metallic, manufactured by C-Tek Industries, Inc Dba C-Tek Industries Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-421-9807 has 4 manufacturer part numbers on file: 90119 (C-Tek Industries, Inc Dba C-Tek Industries Inc), 68483 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows), 440314 (Raytheon Company), 440314 (Raytheon Company Dba Raytheon Co).
4 possible matches (shared part number, not a government interchangeability claim): 5330-00-618-3731, 5950-01-086-0038, 5930-01-264-0119. Verify interchangeability with system specifications before substitution.
Key specifications for 90119: Flow Angle: 90.0 DEGREES FIRST END; Measuring Method and Length: 3.400 INCHES NOMINAL WORKING IN; Temp Rating: -54.0 FAHRENHEIT AND 125.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Thickness: 0.125 INCHES NOMINAL FIRST END IN. 19 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.