PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N2321Support,pump

Weil Pump Co Inc · NSN 4320-01-202-5498 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-202-5498 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-202-5498. Primary manufacturer part number: N2321.
Features
  • Support,pump — FSC 4320
  • General Characteristics Item Description: GUNMETAL,MIL-M-16576
  • 4 verified cross-references
  • Primary manufacturer: Weil Pump Co Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Support,pump, cataloged under National Stock Number 4320-01-202-5498, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Weil Pump Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-202-5498
Primary Part NumberN2321
Item NameSupport,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWeil Pump Co Inc
StatusACTIVE
General Characteristics Item DescriptionGUNMETAL,MIL-M-16576
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-079-9751103142-1 INTERCHANGEABLE
Elbow,tube to Boss
Metadure Parts & Sales, Inc.
1005-00-731-00807310080 INTERCHANGEABLE
Pin,firing
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5820-01-147-9011621-7846-007 INTERCHANGEABLE
Installation Kit,electronic Equi
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4320-01-197-8527379.303.004 INTERCHANGEABLE
Deflector,dirt and Liquid
Weil Pump Co Inc
2520-01-222-4301 INTERCHANGEABLE
Seat,ball Socket
Cross-Reference Index
Part NumberManufacturer
N2321 PRIMARY Weil Pump Co Inc (USA)
A1717 PIECE 1 Weil Pump Co Inc (USA)
A10341 PC 1 Weil Pump Co Inc (USA)
A10341 Weil Pump Co Inc (USA)
Related Parts
4730-00-079-9751INTERCHANGEABLE
ELBOW,TUBE TO BOSS
103142-1
1005-00-731-0080INTERCHANGEABLE
PIN,FIRING
7310080
5820-01-147-9011INTERCHANGEABLE
INSTALLATION KIT,ELECTRONIC EQUI
621-7846-007
4320-01-197-8527INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
379.303.004
2520-01-222-4301INTERCHANGEABLE
SEAT,BALL SOCKET

Frequently Asked Questions

What is NSN 4320-01-202-5498?

NSN 4320-01-202-5498 is a Support,pump, manufactured by Weil Pump Co Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-202-5498?

NSN 4320-01-202-5498 has 4 cross-referenced part numbers: N2321 (Weil Pump Co Inc), A1717 PIECE 1 (Weil Pump Co Inc), A10341 PC 1 (Weil Pump Co Inc), A10341 (Weil Pump Co Inc).

What NSN replaces 4320-01-202-5498?

There are 5 known substitutes for 4320-01-202-5498: 4730-00-079-9751, 1005-00-731-0080, 5820-01-147-9011 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N2321?

Key specifications for N2321: General Characteristics Item Description: GUNMETAL,MIL-M-16576; End Item Identification: WEIL PUMP TYPE 1-1/4RYN7. 2 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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