PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N4000LPump,rotary

Oberdorfer Foundries Inc · NSN 4320-00-137-1795 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-137-1795 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-137-1795. Primary manufacturer part number: N4000L.
Features
  • Pump,rotary — FSC 4320
  • Intake Connection Quantity: 1
  • Discharge Connection Quantity: 1
  • Material: COPPER ALLOY PUMP BASIC
  • Maximum Discharge Flow Rate: 9.97 GALLONS PER MINUTE
  • Discharge Connection Type: THREADED INTERNAL
  • Intake Connection Type: THREADED INTERNAL
  • Pump Rotation Direction: CLOCKWISE AND COUNTERCLOCKWISE
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy Pump Basic construction
General Description

The Pump,rotary, cataloged under National Stock Number 4320-00-137-1795, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Oberdorfer Foundries Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-137-1795
Primary Part NumberN4000L
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerOberdorfer Foundries Inc
StatusACTIVE
Intake Connection Quantity1
Discharge Connection Quantity1
MaterialCOPPER ALLOY PUMP BASIC
Maximum Discharge Flow Rate9.97 GALLONS PER MINUTE
Discharge Connection TypeTHREADED INTERNAL
Intake Connection TypeTHREADED INTERNAL
Pump Rotation DirectionCLOCKWISE AND COUNTERCLOCKWISE
Rotary Pump DesignGEAR
Operating Speed at Rated Capacity1725.0 REVOLUTIONS PER MINUTE
Operation MethodPOWERED
Drive Shaft Length1.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6615-00-526-9441117086-01 INTERCHANGEABLE
Control,follow-Up,automatic Pilo
Ge Aviation Systems Llc
5210-01-121-502440-00B INTERCHANGEABLE
Gage Set,precision Ball
Van Keuren
Cross-Reference Index
Part NumberManufacturer
N4000L PRIMARY Oberdorfer Foundries Inc (USA)
SJ334 Waldon Inc (USA)
4000B Oberdorfer Foundries Inc (USA)
Related Parts
6615-00-526-9441INTERCHANGEABLE
CONTROL,FOLLOW-UP,AUTOMATIC PILO
117086-01
5210-01-121-5024INTERCHANGEABLE
GAGE SET,PRECISION BALL
40-00B

Frequently Asked Questions

What is NSN 4320-00-137-1795?

NSN 4320-00-137-1795 is a Pump,rotary, manufactured by Oberdorfer Foundries Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-137-1795?

NSN 4320-00-137-1795 has 3 cross-referenced part numbers: N4000L (Oberdorfer Foundries Inc), SJ334 (Waldon Inc), 4000B (Oberdorfer Foundries Inc).

What NSN replaces 4320-00-137-1795?

There are 2 known substitutes for 4320-00-137-1795: 6615-00-526-9441, 5210-01-121-5024. Verify interchangeability with system specifications before substitution.

What are the specifications of N4000L?

Key specifications for N4000L: Intake Connection Quantity: 1; Discharge Connection Quantity: 1; Material: COPPER ALLOY PUMP BASIC; Maximum Discharge Flow Rate: 9.97 GALLONS PER MINUTE. 11 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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