The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-050-1337, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-050-1337 |
| Primary Part Number | 3179839-845 |
| 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 | 16.000 INCHES NOMINAL WORKING IN |
| Temp Rating | 32.0 FAHRENHEIT AND 122.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 1.750 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED POLYESTER CORD AND 2ND LAYER BRAIDED POLYAMIDE CORD AND OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.910 INCHES NOMINAL IN |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Inside Diameter | 0.512 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 500.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 1000.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 1EP10AA0160 | Transdigm Inc Div Adelwiggins Group (USA) |
| T222006045 | Lockheed Martin Librascope Corporation (USA) |
| 3179839-845 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3179839 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4720-01-050-1337 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 4720-01-050-1337 has 3 manufacturer part numbers on file: 1EP10AA0160 (Transdigm Inc Div Adelwiggins Group), T222006045 (Lockheed Martin Librascope Corporation), 3179839-845 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
6 possible matches (shared part number, not a government interchangeability claim): 4720-01-050-1338, 4720-01-050-1339, 4720-01-233-1694. Verify interchangeability with system specifications before substitution.
Key specifications for 3179839-845: Measuring Method and Length: 16.000 INCHES NOMINAL WORKING IN; Temp Rating: 32.0 FAHRENHEIT AND 122.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 1.750 INCHES IN; Connection Style: SWIVEL NUT FLARE FIRST END. 19 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.