The Pump,rotary, cataloged under National Stock Number 4320-00-304-3768, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Bock Water Heaters, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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 | 4320-00-304-3768 |
| Primary Part Number | 138 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Bock Water Heaters, Inc. |
| Status | ACTIVE |
| Operating Speed at Rated Capacity | 1725.0 REVOLUTIONS PER MINUTE |
| Operation Method | POWERED |
| Maximum Discharge Flow Rate | 0.1 GALLONS PER MINUTE |
| Intake Connection Thread Size and Series/type Designator | 0.250-18 NPT |
| Discharge Connection Thread Size and Series/type Designator | 0.125-27 NPT |
| Drive Shaft Length | 2.188 INCHES NOMINAL IN |
| Discharge Pressure | 25.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Intake Connection Type | THREADED INTERNAL |
| Discharge Connection Quantity | 1 |
| Intake Connection Quantity | 1 |
| Rotary Pump Design | GEAR |
| Pumping Element Operating Position | HORIZONTAL |
| Pump Rotation Direction | CLOCKWISE |
| Discharge Connection Type | THREADED INTERNAL |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| P-8-9807 | Lennox Industries Inc (USA) |
| 138 PRIMARY | Bock Water Heaters, Inc. (USA) |
| H2BA-100 | Sundstrand Corp Sundstrand Hydraulics Div (USA) |
| 2R162D-1A5 | Danfoss Inc (USA) |
| 2R162D-1A5 | Danfoss Fluid Power Inc Racine Opn (USA) |
| 27352 | Lennox Industries Inc (USA) |
NSN 4320-00-304-3768 is a Pump,rotary, manufactured by Bock Water Heaters, Inc., classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-304-3768 has 6 cross-referenced part numbers: P-8-9807 (Lennox Industries Inc), 138 (Bock Water Heaters, Inc.), H2BA-100 (Sundstrand Corp Sundstrand Hydraulics Div), 2R162D-1A5 (Danfoss Inc), 2R162D-1A5 (Danfoss Fluid Power Inc Racine Opn) and 1 more.
There are 8 known substitutes for 4320-00-304-3768: 2520-00-175-9397, 5330-00-424-3384, 4320-00-432-1691 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 138: Operating Speed at Rated Capacity: 1725.0 REVOLUTIONS PER MINUTE; Operation Method: POWERED; Maximum Discharge Flow Rate: 0.1 GALLONS PER MINUTE; Intake Connection Thread Size and Series/type Designator: 0.250-18 NPT. 15 total characteristics are documented in the Federal Logistics Information System.