PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A81-20929Oil Pump Assembly,engine

Rix Industries · NSN 2990-01-707-5598 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-707-5598 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-707-5598. Primary manufacturer part number: A81-20929.
Features
  • Oil Pump Assembly,engine — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: Rix Industries
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Mechanical power generation
  • Drive system operation
General Description

The Oil Pump Assembly,engine, cataloged under National Stock Number 2990-01-707-5598, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Rix Industries. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameOil Pump Assembly,engine
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersRix Industries (CAGE 28953)
Technical Specifications
ParameterValue
NSN2990-01-707-5598
Primary Part NumberA81-20929
Item NameOil Pump Assembly,engine
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerRix Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-155-8874102-5630P1 INTERCHANGEABLE
Bearing,ball,annular
Raytheon Company Dba Raytheon
6105-00-478-0051 INTERCHANGEABLE
Motor,alternating Current
1660-00-707-916019046 INTERCHANGEABLE
Parts Kit,regulator
Mission Systems Orchard Park Inc
5305-00-889-30002251-207 INTERCHANGEABLE
Screw,machine
Reliance Comm/tec Corp Lorain Products Div
5331-01-029-0660 INTERCHANGEABLE
O-Ring
5998-01-215-72571904-6 INTERCHANGEABLE
Extender Card,electronic Test
Gifft T H Co Inc
6550-01-240-452219-046 INTERCHANGEABLE
Bacteria Culture Control Discs
Remel Inc.
4440-01-287-9011995260 INTERCHANGEABLE
Dryer,shell Assembly
D & D Instruments Inc
4720-01-711-1994A73-18789-13 INTERCHANGEABLE
Hose Assembly,nonmetallic
Rix Industries
4720-01-711-2000A73-18789-19 INTERCHANGEABLE
Hose Assembly,nonmetallic
Rix Industries
Cross-Reference Index
Part NumberManufacturer
19046 Rix Industries (USA)
19046-ITEM 17 Rix Industries (USA)
A81-20929 PRIMARY Rix Industries (USA)
Related Parts
3110-00-155-8874INTERCHANGEABLE
BEARING,BALL,ANNULAR
102-5630P1
6105-00-478-0051INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
1660-00-707-9160INTERCHANGEABLE
PARTS KIT,REGULATOR
19046
5305-00-889-3000INTERCHANGEABLE
SCREW,MACHINE
2251-207
5331-01-029-0660INTERCHANGEABLE
O-RING
5998-01-215-7257INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
1904-6
6550-01-240-4522INTERCHANGEABLE
BACTERIA CULTURE CONTROL DISCS
19-046
4440-01-287-9011INTERCHANGEABLE
DRYER,SHELL ASSEMBLY
995260
4720-01-711-1994INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
A73-18789-13
4720-01-711-2000INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
A73-18789-19
4710-01-711-7686INTERCHANGEABLE
PIPE ASSEMBLY,METAL
A455-18976

Frequently Asked Questions

What is NSN 2990-01-707-5598?

NSN 2990-01-707-5598 is a Oil Pump Assembly,engine, manufactured by Rix Industries, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-707-5598?

NSN 2990-01-707-5598 has 3 cross-referenced part numbers: 19046 (Rix Industries), 19046-ITEM 17 (Rix Industries), A81-20929 (Rix Industries).

What NSN replaces 2990-01-707-5598?

There are 11 known substitutes for 2990-01-707-5598: 3110-00-155-8874, 6105-00-478-0051, 1660-00-707-9160 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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