The Hose Assembly,air Breathing, cataloged under National Stock Number 4720-00-789-2612, 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 Lockheed Martin Corp. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-789-2612 |
| Primary Part Number | GHN10345-2 |
| Item Name | Hose Assembly,air Breathing |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Criticality Code Justification | FEAT |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Hose Weight | 5.000 OUNCES PER LINEAR FOOT OZ |
| Connection Style | ROUND SECOND END |
| Material | COPPER ALLOY FIRST END COUPLING |
| Connection Type | COUPLING SECOND END |
| Coupling Style | OXYGEN HOSE CLAMP FIRST END |
| Features Provided | OZONE RESISTANT AND RESTRAINT CORD |
| End Overall Length | 0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM BOTH ENDS IN |
| Material | COTTON AND FIBERGLASS FIRST PLY |
| End Inside Diameter | 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM FIRST END IN |
| Outside Diameter | 1.094 INCHES MINIMUM AND 1.250 INCHES MAXIMUM BOTH ENDS IN |
| Connection Type | SOFT FIRST END |
| Material | COPPER ALLOY SECOND END COUPLING |
| Measuring Method and Length | 48.000 INCHES NOMINAL OVERALL IN |
| Coupling Style | CONNECTOR, OXYGEN HOSE TO REGULATOR (NOTE: APPLICABLE TO HOSE ASSEMBLY, AIR BREATHING ONLY.) SECOND END |
| Wall Thickness | 0.250 INCHES NOMINAL IN |
| Inside Diameter | 0.750 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GHN10345-2 | Lockheed Martin Corp (USA) |
| MS22055 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 4720PL1769053 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS22055B48 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| HC200-48 | Herbert Cooper Co Inc (USA) |
| SS1000-48 | Dayco Corp Foam Products Div (USA) |
| MIL-DTL-81581 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 8148650 | Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA) |
| MIL-H-81581 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4720-00-789-2612 is a Hose Assembly,air Breathing, manufactured by Lockheed Martin Corp, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-00-789-2612 has 9 cross-referenced part numbers: GHN10345-2 (Lockheed Martin Corp), MS22055 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 4720PL1769053 (Jednolity Indeks Materialowy - Uniform Material Index), MS22055B48 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), HC200-48 (Herbert Cooper Co Inc) and 4 more.
There are 12 known substitutes for 4720-00-789-2612: 4720-00-045-8090, 4720-00-097-1329, 4720-00-108-5620 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for GHN10345-2: Special Features: WEAPON SYSTEM ESSENTIAL; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Criticality Code Justification: FEAT; Operating Pressure: 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 21 total characteristics are documented in the Federal Logistics Information System.