PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AP2Cylinder Sleeve

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-653-0026 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-653-0026 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-653-0026. Primary manufacturer part number: AP2.
Features
  • Cylinder Sleeve — FSC 4320
  • FSC Application Data: PUMP
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Cylinder Sleeve, cataloged under National Stock Number 4320-00-653-0026, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN4320-00-653-0026
Primary Part NumberAP2
Item NameCylinder Sleeve
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
FSC Application DataPUMP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-128-9797 INTERCHANGEABLE
Valve,saddle
6625-00-171-8985114300-6 INTERCHANGEABLE
Ammeter
Lockheed Martin Corp Electronics and Missiles Div
6930-00-514-0271 INTERCHANGEABLE
Trainer,radio Procedure,navigati
5340-00-727-0820483649-3 INTERCHANGEABLE
Clamp,loop
Raytheon Company Dba Raytheon Co
1680-00-955-105018502400 INTERCHANGEABLE
Control Assembly,push-Pull
Orscheln Products Llc
5340-01-019-2080WC-54 INTERCHANGEABLE
Clamp,loop
Brady United States
5340-01-119-4170ADJ-P-CLIP-SIZE-2 INTERCHANGEABLE
Clamp,loop
Electrovert Usa Corp
4820-01-435-4258AP-2 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
9905-01-479-9104407981 INTERCHANGEABLE
Plate,identification
Eaton Aerospace, Llc Dba Jackson South
6640-01-658-6608AP 2 INTERCHANGEABLE
Tip,pipet
Axygen, Inc. Dba Axygen Scientific
Cross-Reference Index
Part NumberManufacturer
AP2 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
409686 Naval Ship Systems Command (USA)
40798-1 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
4820-00-128-9797INTERCHANGEABLE
VALVE,SADDLE
6625-00-171-8985INTERCHANGEABLE
AMMETER
114300-6
6930-00-514-0271INTERCHANGEABLE
TRAINER,RADIO PROCEDURE,NAVIGATI
5340-00-727-0820INTERCHANGEABLE
CLAMP,LOOP
483649-3
1680-00-955-1050INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
18502400
5340-01-019-2080INTERCHANGEABLE
CLAMP,LOOP
WC-54
5340-01-119-4170INTERCHANGEABLE
CLAMP,LOOP
ADJ-P-CLIP-SIZE-2
4820-01-435-4258INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
AP-2
9905-01-479-9104INTERCHANGEABLE
PLATE,IDENTIFICATION
407981
6640-01-658-6608INTERCHANGEABLE
TIP,PIPET
AP 2

Frequently Asked Questions

What is NSN 4320-00-653-0026?

NSN 4320-00-653-0026 is a Cylinder Sleeve, 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 4320-00-653-0026?

NSN 4320-00-653-0026 has 3 cross-referenced part numbers: AP2 (Circor Naval Solutions Llc Dba Warren Pumps), 409686 (Naval Ship Systems Command), 40798-1 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-653-0026?

There are 10 known substitutes for 4320-00-653-0026: 4820-00-128-9797, 6625-00-171-8985, 6930-00-514-0271 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AP2?

Key specifications for AP2: FSC Application Data: PUMP. 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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