PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

10639Repair Kit,pumping Assembly

Name: 10639
SKU: 4320-01-574-8364

Oberdorfer Pumps Inc · NSN 4320-01-574-8364 · FSC 4320 · No Item Name Available

Verified by PartsTable

NSN 4320-01-574-8364 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-574-8364. Primary manufacturer part number: 10639.

4320-01-574-8364 — No Item Name Available illustration

Features

Repair Kit,pumping Assembly — FSC 4320
Supply Items and Quantities: REPAIR KIT FOR 9000-24 ROTARY PUMP CONSISTS OF; (1) P/N 33019 DRIVE GEAR ASSY HEL; (1) P/N 33020 IDLE GEAR ASSY HEL N9; (4) P/N 5091 BEARING CARBON 5/5 93/4; (1) P/N 5092 BEARING CARBON 1.49 L; (2) P/N 524701 GASKET .0015 THK - 700; (2) P/N 5479 PACKING 3/4/7/9000 (PB/4); (1) P/N 9797-045 O-RING VITON
1 verified cross-reference
Primary manufacturer: Oberdorfer Pumps Inc

Applications

Hydraulic and pneumatic systems
Industrial process pumping
Military vehicle hydraulics

General Description

The Repair Kit,pumping Assembly, cataloged under National Stock Number 4320-01-574-8364, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Oberdorfer Pumps Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-574-8364
Primary Part Number	10639
Item Name	Repair Kit,pumping Assembly
FSC / FSG	4320 / 43 — No Item Name Available
Manufacturer	Oberdorfer Pumps Inc
Status	ACTIVE
Supply Items and Quantities	REPAIR KIT FOR 9000-24 ROTARY PUMP CONSISTS OF; (1) P/N 33019 DRIVE GEAR ASSY HEL; (1) P/N 33020 IDLE GEAR ASSY HEL N9; (4) P/N 5091 BEARING CARBON 5/5 93/4; (1) P/N 5092 BEARING CARBON 1.49 L; (2) P/N 524701 GASKET .0015 THK - 700; (2) P/N 5479 PACKING 3/4/7/9000 (PB/4); (1) P/N 9797-045 O-RING VITON

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

4720-00-096-681810639 INTERCHANGEABLE

Hose Assembly,nonmetallic

Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.

4730-00-192-140210639 INTERCHANGEABLE

Strainer Element,sediment

Parker Hannifin Corp Dba Pneutronics

5133-00-233-6398 INTERCHANGEABLE

Drill,twist

5360-00-249-343810639 INTERCHANGEABLE

Spring,helical,compression

Garwood/feller Inc Garwood Winch Div

6625-00-891-4975 INTERCHANGEABLE

Meter,null

5950-00-944-4777995559-5 INTERCHANGEABLE

Transformer,radio Frequency

Raytheon Company Div Rmd Strategic

4320-01-075-002417934P INTERCHANGEABLE

Ring,balance

Curtiss-Wright Electro-Mechanical Corporation Div Epd

5305-01-159-5143 INTERCHANGEABLE

Screw,machine

6105-01-426-1717106-39 INTERCHANGEABLE

Motor,alternating Current

Ability Plastics Inc.

2995-01-482-0887123-2119 INTERCHANGEABLE

Post,rear Cover,air

The Boeing Company Div Defense

Cross-Reference Index

Part Number	Manufacturer
10639 PRIMARY	Oberdorfer Pumps Inc (USA)

Related Parts

4720-00-096-6818INTERCHANGEABLE

HOSE ASSEMBLY,NONMETALLIC

10639

4730-00-192-1402INTERCHANGEABLE

STRAINER ELEMENT,SEDIMENT

10639

5133-00-233-6398INTERCHANGEABLE

DRILL,TWIST

5360-00-249-3438INTERCHANGEABLE

SPRING,HELICAL,COMPRESSION

10639

6625-00-891-4975INTERCHANGEABLE

METER,NULL

5950-00-944-4777INTERCHANGEABLE

TRANSFORMER,RADIO FREQUENCY

995559-5

4320-01-075-0024INTERCHANGEABLE

RING,BALANCE

17934P

5305-01-159-5143INTERCHANGEABLE

SCREW,MACHINE

6105-01-426-1717INTERCHANGEABLE

MOTOR,ALTERNATING CURRENT

106-39

2995-01-482-0887INTERCHANGEABLE

POST,REAR COVER,AIR

123-2119

5998-01-501-5855INTERCHANGEABLE

CIRCUIT CARD ASSEMBLY

2010-01-520-6764INTERCHANGEABLE

SEAL RING,HUB,PROPELLER

10-639

Frequently Asked Questions

What is NSN 4320-01-574-8364?

NSN 4320-01-574-8364 is a Repair Kit,pumping Assembly, manufactured by Oberdorfer Pumps Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-574-8364?

NSN 4320-01-574-8364 has 1 cross-referenced part number: 10639 (Oberdorfer Pumps Inc).

What NSN replaces 4320-01-574-8364?

There are 12 known substitutes for 4320-01-574-8364: 4720-00-096-6818, 4730-00-192-1402, 5133-00-233-6398 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10639?

Key specifications for 10639: Special Features: PUMP ROTARY. SSR NAME IS REPAIR KIT; Supply Items and Quantities: REPAIR KIT FOR 9000-24 ROTARY PUMP CONSISTS OF; (1) P/N 33019 DRIVE GEAR ASSY HEL; (1) P/N 33020 IDLE GEAR ASSY HEL N9; (4) P/N 5091 BEARING CARBON 5/5 93/4; (1) P/N 5092 BEARING CARBON 1.49 L; (2) P/N 524701 GASKET .0015 THK - 700; (2) P/N 5479 PACKING 3/4/7/9000 (PB/4); (1) P/N 9797-045 O-RING VITON; End Item Identification: PUMP, ROTARY GEAR N9000R-24; Part Name Assigned by Controlling Agency: REPAIR KIT. 4 total characteristics are documented in the Federal Logistics Information System.

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

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