The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-948-0136, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-948-0136 |
| Primary Part Number | 1550309PT31 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Measuring Method and Length | 99.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 7.000 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.938 INCHES NOMINAL IN |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Exterior Color | NATURAL |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON AND AIR AND WATER, FRESH SINGLE RESPONSE |
| Hydrostatic Test Pressure | 4000.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2B FIRST END |
| Test Data Document | 10001-1550309 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Burst Test Pressure | 8000.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 16 FIRST END |
| Outer Covering Environmental Protection | OIL RESISTANT AND WEATHERPROOF |
| Thread Series Designator | UNF 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 |
|---|---|
| 1550309PT31 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2697779-0009-0990 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1550309PC31 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2697779 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1550309 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4720-00-948-0136 is a Hose Assembly,nonmetallic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-948-0136 has 3 manufacturer part numbers on file: 1550309PT31 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2697779-0009-0990 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1550309PC31 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
8 possible matches (shared part number, not a government interchangeability claim): 4720-00-948-3149, 4720-00-949-1570, 4720-01-169-1952. Verify interchangeability with system specifications before substitution.
Key specifications for 1550309PT31: Measuring Method and Length: 99.000 INCHES NOMINAL WORKING IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 7.000 INCHES IN; Connection Style: SWIVEL NUT FLARE FIRST END. 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.