PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1586Pump,rotary

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-211-6641 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-211-6641 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-211-6641. Primary manufacturer part number: A1586.
Features
  • Pump,rotary — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-211-6641, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-211-6641
Primary Part NumberA1586
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5940-00-336-1286A1586 INTERCHANGEABLE
Terminal,lug
Grimes Aerospace Company
5315-00-362-8483593872 INTERCHANGEABLE
Pin,straight,headless
Chrysler Realty Company Llc Dba Daimler Chrysler
4730-00-541-47525001-25 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Raytheon Company Div Rmd Strategic
8455-01-016-8031 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-016-8032 INTERCHANGEABLE
Insignia,shoulder Sleeve
5915-01-080-7079537745-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Raytheon Company Dba Raytheon
5340-01-107-0427711566-K1 INTERCHANGEABLE
Fastener,cylinder,spring Loaded
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
8455-01-528-9518 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-652-6705 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-699-3481 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A1586 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5940-00-336-1286INTERCHANGEABLE
TERMINAL,LUG
A1586
5315-00-362-8483INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
593872
4730-00-541-4752INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
5001-25
8455-01-016-8031INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-016-8032INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5915-01-080-7079INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
537745-1
5340-01-107-0427INTERCHANGEABLE
FASTENER,CYLINDER,SPRING LOADED
711566-K1
8455-01-528-9518INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-652-6705INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-699-3481INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 4320-01-211-6641?

NSN 4320-01-211-6641 is a Pump,rotary, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-211-6641?

NSN 4320-01-211-6641 has 1 cross-referenced part number: A1586 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-211-6641?

There are 10 known substitutes for 4320-01-211-6641: 5940-00-336-1286, 5315-00-362-8483, 4730-00-541-4752 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1586?

Key specifications for A1586: End Item Identification: PUMP,SHIP PROVISION. 1 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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