PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

A553Impeller,pump,centrifugal

Name: A553
SKU: 4320-01-068-1533

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-068-1533 · FSC 4320 · No Item Name Available

Verified by PartsTable

NSN 4320-01-068-1533 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-068-1533. Primary manufacturer part number: A553.

4320-01-068-1533 — No Item Name Available illustration

Features

Impeller,pump,centrifugal — FSC 4320
9 verified cross-references
Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps

Applications

Fluid transfer and circulation
Cooling system maintenance
Industrial process pumping

General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-068-1533, 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 9 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts

Item Name	Impeller,pump,centrifugal
FSC / FSG	4320 — No Item Name Available (FSG 43)
Manufacturers	Euramco Safety Inc (CAGE 52081); Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)

Technical Specifications

Parameter	Value
NSN	4320-01-068-1533
Primary Part Number	A553
Item Name	Impeller,pump,centrifugal
FSC / FSG	4320 / 43 — No Item Name Available
Manufacturer	Circor Naval Solutions Llc Dba Warren Pumps
Status	CANCELLED

Lifecycle & Compliance

Acquisition Status	CANCELLED
HAZMAT	No

⇄ Verified Substitutes 9

5315-00-030-95763201-0621 INTERCHANGEABLE

Pin,quick Release

Imi Norgren Sales Ltd

5995-00-503-30232142-0058-01 INTERCHANGEABLE

Cable Assembly,radio Frequency

Electric Boat Corporation Div General Dynamics Electric Boat

2940-00-505-671651Q35 INTERCHANGEABLE

Filter Element,fluid

Wix Corp

2530-00-734-7330A621 INTERCHANGEABLE

Drag Link,steering

Am General Llc

5915-00-897-170005C0261G01 INTERCHANGEABLE

Filter,low Pass

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp

5310-01-111-2793642AS1482-1 INTERCHANGEABLE

Washer,flat

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier

4820-01-296-2964608-1003-002 INTERCHANGEABLE

Valve,check

Eaton Corp Hydraulics Div

5310-01-430-88442150601 INTERCHANGEABLE

Nut,plain,hexagon

W S Darley & Co

6625-01-565-5990A621 INTERCHANGEABLE

Probe,test

Tektronix, Inc.

Cross-Reference Index

Part Number	Manufacturer
15-004-6000-011	Euramco Safety Inc (USA)
A621	Circor Naval Solutions Llc Dba Warren Pumps (USA)
657D1444B318A	Circor Naval Solutions Llc Dba Warren Pumps (USA)
657C1444	Circor Naval Solutions Llc Dba Warren Pumps (USA)
NC-18065	Circor Naval Solutions Llc Dba Warren Pumps (USA)
A553 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)
R1104PC11	Circor Naval Solutions Llc Dba Warren Pumps (USA)
999R0185PC11	Circor Naval Solutions Llc Dba Warren Pumps (USA)
15-004-6000-011-880 PRIMARY	Euramco Safety Inc (USA)

Related Parts

5315-00-030-9576INTERCHANGEABLE

PIN,QUICK RELEASE

3201-0621

5995-00-503-3023INTERCHANGEABLE

CABLE ASSEMBLY,RADIO FREQUENCY

2142-0058-01

2940-00-505-6716INTERCHANGEABLE

FILTER ELEMENT,FLUID

51Q35

2530-00-734-7330INTERCHANGEABLE

DRAG LINK,STEERING

A621

5915-00-897-1700INTERCHANGEABLE

FILTER,LOW PASS

05C0261G01

5310-01-111-2793INTERCHANGEABLE

WASHER,FLAT

642AS1482-1

4820-01-296-2964INTERCHANGEABLE

VALVE,CHECK

608-1003-002

5310-01-430-8844INTERCHANGEABLE

NUT,PLAIN,HEXAGON

2150601

6625-01-565-5990INTERCHANGEABLE

PROBE,TEST

A621

Frequently Asked Questions

What is NSN 4320-01-068-1533?

NSN 4320-01-068-1533 is a Impeller,pump,centrifugal, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-01-068-1533?

NSN 4320-01-068-1533 has 9 cross-referenced part numbers: 15-004-6000-011 (Euramco Safety Inc), A621 (Circor Naval Solutions Llc Dba Warren Pumps), 657D1444B318A (Circor Naval Solutions Llc Dba Warren Pumps), 657C1444 (Circor Naval Solutions Llc Dba Warren Pumps), NC-18065 (Circor Naval Solutions Llc Dba Warren Pumps) and 4 more.

What NSN replaces 4320-01-068-1533?

There are 9 known substitutes for 4320-01-068-1533: 5315-00-030-9576, 5995-00-503-3023, 2940-00-505-6716 and 6 more. Verify interchangeability with system specifications before substitution.

Is NSN 4320-01-068-1533 still in active supply?

NSN 4320-01-068-1533 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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

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