The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-303-2455, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-303-2455 |
| Primary Part Number | AA59566B2015120 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Measuring Method and Length | 120.000 INCHES NOMINAL OVERALL IN |
| Connection Style | SWIVEL NUT, GASKET SEAL FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED COTTON CORD AND 3RD LAYER HELIX WIRE COIL AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| End Fitting Component and Material | COMPLETE FITTING STEEL ALL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Specification/standard Data | ZZ-H-561,TYPE 2 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION AND 81348-ZZ-H-561 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | B GRADE AND 2 CLASS AND 1.500 SIZE |
| Inside Diameter | 1.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | WATER, DRINKING SINGLE RESPONSE |
| Burst Test Pressure | 100.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPT 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 |
|---|---|
| AA59566B2015120 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| ZZ-H-561 | 5/9 Secondary reference U.S. Government activity |
| A-A-59566 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 4720-01-303-2455 is a Hose Assembly,nonmetallic, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-303-2455 has 1 manufacturer part number on file: AA59566B2015120 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
Key specifications for AA59566B2015120: Measuring Method and Length: 120.000 INCHES NOMINAL OVERALL IN; Connection Style: SWIVEL NUT, GASKET SEAL FIRST END; End Connection Design: STRAIGHT FIRST END; Layer Composition and Location: 1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED COTTON CORD AND 3RD LAYER HELIX WIRE COIL AND OUTER LAYER MOLDED RUBBER, SYNTHETIC. 17 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.