The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-325-8165, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-325-8165 |
| Primary Part Number | 2621-225-03 ASSY 76 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Burst Test Pressure | 4000.0 POUNDS PER SQUARE INCH LBS |
| Minimum Inside Bending Radius | 16.000 INCHES IN |
| Flow Angle | 90.0 DEGREES FIRST END |
| Nominal Thread Size | 2.312 INCHES FIRST END IN |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | WATER, FRESH AND WATER, SALT AND AIR AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Outer Covering Environmental Protection | ABRASION RESISTANT AND OXIDATION RESISTANT AND LIGHT RESISTANT AND WEATHERPROOF |
| Measuring Method and Length | 49.000 INCHES NOMINAL WORKING IN |
| Thread Series Designator | UNS FIRST END |
| End Fitting Component and Material | COMPLETE FITTING NICKEL ALLOY ALL ENDS |
| Thread Class | 3A FIRST END A |
| End Connection Design | ELBOW FIRST END |
| Specification/standard Data | MIL-H-24136/2-20 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION AND 81349-MIL-H-24136/2 GOVERNMENT SPECIFICATION |
| Inside Diameter | 1.211 INCHES MINIMUM AND 1.289 INCHES MAXIMUM IN |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Angle Between Rigid Elbow Fittings in Deg | 0.0 |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Outside Diameter | 1.975 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN |
| Layer Composition and Location | 1ST LAYER BRAIDED SYNTHETIC CORD AND 2ND LAYER BRAIDED SYNTHETIC CORD AND 3RD LAYER BRAIDED SYNTHETIC CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2621-225-03 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| MIL-H-24136/2-20 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2621-225-03 ASSY 76 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 262122503-0076 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4720-01-325-8165 is a Hose Assembly,nonmetallic, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-01-325-8165 has 4 cross-referenced part numbers: 2621-225-03 (Electric Boat Corporation Div General Dynamics Electric Boat), MIL-H-24136/2-20 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2621-225-03 ASSY 76 (Electric Boat Corporation Div General Dynamics Electric Boat), 262122503-0076 (Electric Boat Corporation Div General Dynamics Electric Boat).
There are 8 known substitutes for 4720-01-325-8165: 4720-01-101-7375, 4730-01-217-5296, 4730-01-217-8250 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2621-225-03 ASSY 76: Thread Direction: RIGHT-HAND FIRST END; Cross-Sectional Shape Style: ROUND; Connection Type: THREADED EXTERNAL BOSS FIRST END; Burst Test Pressure: 4000.0 POUNDS PER SQUARE INCH LBS. 25 total characteristics are documented in the Federal Logistics Information System.