The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-145-7641, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Penflex Inc. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-145-7641 |
| Primary Part Number | 6104ASSY4D |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Penflex Inc |
| Status | ACTIVE |
| Measuring Method and Length | 42.000 INCHES NOMINAL WORKING IN |
| Temp Rating | 800.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 1.000 INCHES NOMINAL FIRST END IN |
| Minimum Inside Bending Radius | 15.000 INCHES IN |
| Connection Style | RAISED FIRST END |
| Flange Outside Diameter | 6.500 INCHES NOMINAL FIRST END IN |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER BRAIDED NICKEL COPPER ALLOY WIRE |
| Layer Composition and Location | 1ST LAYER BRAIDED NICKEL COPPER ALLOY WIRE |
| Connection Type | RAISED FACE FLANGE FIRST END |
| Bolt Hole Diameter | 0.750 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.970 INCHES NOMINAL IN |
| Operating Pressure | 280.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | IDENTICAL ENDS |
| Inside Diameter | 2.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 FIRST END |
| Bolt Circle Diameter | 5.000 INCHES NOMINAL FIRST END IN |
| Raised Face Diameter | 3.625 INCHES NOMINAL FIRST END IN |
| Raised Face Height | 0.250 INCHES NOMINAL FIRST END IN |
| Hydrostatic Test Pressure | 420.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 1135.0 POUNDS PER SQUARE INCH LBS |
| Flange Style | ROUND W / BOLT HOLES FIRST END |
| End Flange Construction | SOLID FIRST END |
| Inner Conveying Tube Style | ANNULAR CLOSE-PITCH CORRUGATED |
| 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 |
|---|---|
| 6104ASSY4D PRIMARY | Penflex Inc (USA) |
| Reference | Meaning |
|---|---|
| 6104 | D/9 Drawing number reference only Penflex Inc |
| 08-12792-79 2IN | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4720-01-145-7641 is a Hose Assembly,metallic, manufactured by Penflex Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-145-7641 has 1 manufacturer part number on file: 6104ASSY4D (Penflex Inc).
Key specifications for 6104ASSY4D: Measuring Method and Length: 42.000 INCHES NOMINAL WORKING IN; Temp Rating: 800.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Thickness: 1.000 INCHES NOMINAL FIRST END IN; Minimum Inside Bending Radius: 15.000 INCHES IN. 25 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.