The Hose Assembly,air Breathing, cataloged under National Stock Number 4720-01-465-3704, 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 27 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-465-3704 |
| Primary Part Number | 55094C0164J |
| Item Name | Hose Assembly,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Thread Tolerance Class | 3B INTERNAL BOTH ENDSUNABLE TO DECODE |
| Measuring Method and Length | 16.500 INCHES NOMINAL OVERALL IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC ALL TREATMENT RESPONSES FIRST END COUPLING |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC ALL TREATMENT RESPONSES SECOND END COUPLING |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OR ASTM-A-380 NATIONAL SPEC SINGLE TREATMENT RESPONSE THIRD PLY |
| Surface Treatment Document and Classification | QQ-P-353JGAASTM-A-380 FED SPEC SINGLE TREATMENT RESPONSE REINFORCING WIRE |
| Minimum Inside Bending Radius | 1.250 INCHES IN |
| Connection Type | THREADED BOTH ENDSUNABLE TO DECODE |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Coupling Style | THREADED INTERNAL BOTH ENDSUNABLE TO DECODE |
| Material Document and Classification | ZZ-R-765,CLASS 2A,GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE FIRST PLYUNABLE TO DECODE A |
| Material Document and Classification | AIR1785 MIL SPEC SINGLE MATERIAL RESPONSE COVERUNABLE TO DECODE |
| Material Document and Classification | ASTM-A-313 ASSN STD SINGLE MATERIAL RESPONSE REINFORCING WIREUNABLE TO DECODE |
| Material Document and Classification | UNABLE TO DECODEQQ-A-225/6,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/6,T6 FED SPEC 2ND MATERIAL RESPONSE AND QQ-A-225/8,T6 FED SPEC 3RD MATERIAL RESPONSE SECOND END COUPLING |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | FLAME RESISTANT |
| Nominal Thread Size | 0.563 INCHES BOTH ENDS IN |
| Nominal Thread Size | UNABLE TO DECODE |
| Surface Treatment | ANODIZE FIRST END COUPLING |
| Surface Treatment | ANODIZE SECOND END COUPLING |
| Surface Treatment | PASSIVATE REINFORCING WIRE |
| Surface Treatment | PASSIVATE THIRD PLYUNABLE TO DECODE |
| Thread Quantity Per Inch | 18 BOTH ENDSUNABLE TO DECODE |
| Material | PLASTIC POLYAMIDE NYLON FIFTH PLYUNABLE TO DECODE |
| Material | PLASTIC POLYAMIDE NYLON FOURTH PLYUNABLE TO DECODE |
| Material | PLASTIC POLYESTER COVERUNABLE TO DECODE |
| 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 |
|---|---|
| 55094C0164J PRIMARY | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| C20469 | D/9 Drawing number reference only U.S. Government activity |
| C20469B06K0164 | 5/2 Secondary reference U.S. Government activity |
| 4720PL0888232 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4720-01-465-3704 is a Hose Assembly,air Breathing, manufactured by Hydraflow, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-465-3704 has 1 manufacturer part number on file: 55094C0164J (Hydraflow).
Key specifications for 55094C0164J: Thread Tolerance Class: 3B INTERNAL BOTH ENDSUNABLE TO DECODE; Measuring Method and Length: 16.500 INCHES NOMINAL OVERALL IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC ALL TREATMENT RESPONSES FIRST END COUPLING; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC ALL TREATMENT RESPONSES SECOND END COUPLING. 27 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.