The Pump,rotary, cataloged under National Stock Number 4320-01-291-1431, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Rolls-Royce Marine North America Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-291-1431 |
| Primary Part Number | 49311 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Rolls-Royce Marine North America Inc |
| Status | ACTIVE |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Operation Method | POWERED |
| Rotary Pump Design | GEAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4320-01-291-1431 is a Pump,rotary, manufactured by Rolls-Royce Marine North America Inc, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-291-1431 has 4 cross-referenced part numbers: 49311 (Rolls-Royce Marine North America Inc), 49311 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 49311 (Ulstein Bergen A/s), L492/98 (Ulstein Bergen A/s).
There are 3 known substitutes for 4320-01-291-1431: 5420-00-371-9912, 5330-00-526-8974, 5133-01-364-5041. Verify interchangeability with system specifications before substitution.
Key specifications for 49311: Media for Which Designed: HYDROCARBON FUELS AND OILS; Operation Method: POWERED; Rotary Pump Design: GEAR. 3 total characteristics are documented in the Federal Logistics Information System.