The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-550-9569, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-550-9569 |
| Primary Part Number | 7989-01 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Measuring Method and Length | 27.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.750 INCHES NOMINAL FIRST END IN |
| Minimum Inside Bending Radius | 11.000 INCHES IN |
| Connection Style | PLAIN SWIVEL FIRST END |
| Flange Outside Diameter | 4.250 INCHES NOMINAL FIRST END IN |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED SYNTHETIC CORD OR 1ST LAYER BRAIDED POLYAMIDE CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | PLAIN FACE FLANGE FIRST END |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.750 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN |
| Operating Pressure | 1400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| End Fitting Component and Material | COMPLETE FITTING COPPER ALLOY ALL ENDS |
| Specification/standard Data | MIL-H-24136 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Inside Diameter | 1.000 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Bolt Hole Quantity | 4 FIRST END |
| Bolt Circle Diameter | 3.125 INCHES NOMINAL FIRST END IN |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Burst Test Pressure | 5600.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | ABRASION RESISTANT AND WEATHERPROOF AND OXIDATION RESISTANT AND LIGHT RESISTANT |
| Flange Style | ROUND W / BOLT HOLES 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 |
|---|---|
| 7600 ITEM 9 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 7989-01 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 7989A-01 | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
NSN 4720-01-550-9569 is a Hose Assembly,nonmetallic, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-550-9569 has 2 manufacturer part numbers on file: 7600 ITEM 9 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7989-01 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for 7989-01: Measuring Method and Length: 27.000 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Thickness: 0.750 INCHES NOMINAL FIRST END IN; Minimum Inside Bending Radius: 11.000 INCHES IN. 24 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.