The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-510-8632, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-510-8632 |
| Primary Part Number | 801-6640963 ASSY 199 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Measuring Method and Length | 34.700 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 25.0000 INCHES IN |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.688 INCHES MINIMUM AND 2.812 INCHES MAXIMUM IN |
| Operating Pressure | 1125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 3.062 INCHES FIRST END IN |
| Inside Diameter | 1.985 INCHES MINIMUM AND 2.047 INCHES MAXIMUM IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 3A FIRST END A |
| Burst Test Pressure | 4500.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UNS 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 |
|---|---|
| 801-6640963 ASSY 199 PRIMARY | Naval Sea Systems Command (USA) |
| 556-7070803-F126 | Naval Sea Systems Command (USA) |
| 556-7070803-F127 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6640963 | D/9 Drawing number reference only Naval Sea Systems Command |
| H792-4406-F126 | 5/2 Secondary reference U.S. Government activity |
| H792-4406-F127 | 5/2 Secondary reference U.S. Government activity |
| 263322501-0199 | 5/2 Secondary reference U.S. Government activity |
NSN 4720-01-510-8632 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-510-8632 has 3 manufacturer part numbers on file: 801-6640963 ASSY 199 (Naval Sea Systems Command), 556-7070803-F126 (Naval Sea Systems Command), 556-7070803-F127 (Naval Sea Systems Command).
Key specifications for 801-6640963 ASSY 199: Measuring Method and Length: 34.700 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 25.0000 INCHES IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END. 18 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.