PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0049502Cylinder Sleeve

Leroi International Inc Dba Compair Leroi · NSN 4310-01-273-0321 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-273-0321 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-273-0321. Primary manufacturer part number: 0049502.
Features
  • Cylinder Sleeve — FSC 4310
  • 4 verified cross-references
  • Primary manufacturer: Leroi International Inc Dba Compair Leroi
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Cylinder Sleeve, cataloged under National Stock Number 4310-01-273-0321, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Leroi International Inc Dba Compair Leroi. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCylinder Sleeve
FSC / FSG4310 — No Item Name Available (FSG 43)
ManufacturersLeroi International Inc Dba Compair Leroi (CAGE 1XBP3); Compair Kellogg Div of Robertshaw Controls Co (CAGE 53239)
Technical Specifications
ParameterValue
NSN4310-01-273-0321
Primary Part Number0049502
Item NameCylinder Sleeve
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerLeroi International Inc Dba Compair Leroi
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5360-00-170-298849-50-2 INTERCHANGEABLE
Spring,helical,compression
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
3655-00-251-07064950-2 INTERCHANGEABLE
Cap,vinyl,pump-Out,protective
Provision, Inc. Dba Provision Inc
5995-01-314-989549502 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden Wire and Cable Co Wire and Cable Office
5930-01-317-208549502 INTERCHANGEABLE
Switch Subassembly
Setra Systems, Inc. Dba Gems Sensors
1670-01-674-5323495-02 INTERCHANGEABLE
Frame,rescue,helicopter
Lifesaving Systems Llc
Cross-Reference Index
Part NumberManufacturer
49502 Leroi International Inc Dba Compair Leroi (USA)
0049502 Compair Kellogg Div of Robertshaw Controls Co (USA)
0049502 PRIMARY Leroi International Inc Dba Compair Leroi (USA)
49502 Compair Kellogg Div of Robertshaw Controls Co (USA)
Related Parts
5360-00-170-2988INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
49-50-2
3655-00-251-0706INTERCHANGEABLE
CAP,VINYL,PUMP-OUT,PROTECTIVE
4950-2
5995-01-314-9895INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
49502
5930-01-317-2085INTERCHANGEABLE
SWITCH SUBASSEMBLY
49502
1670-01-674-5323INTERCHANGEABLE
FRAME,RESCUE,HELICOPTER
495-02

Frequently Asked Questions

What is NSN 4310-01-273-0321?

NSN 4310-01-273-0321 is a Cylinder Sleeve, manufactured by Leroi International Inc Dba Compair Leroi, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-273-0321?

NSN 4310-01-273-0321 has 4 cross-referenced part numbers: 49502 (Leroi International Inc Dba Compair Leroi), 0049502 (Compair Kellogg Div of Robertshaw Controls Co), 0049502 (Leroi International Inc Dba Compair Leroi), 49502 (Compair Kellogg Div of Robertshaw Controls Co).

What NSN replaces 4310-01-273-0321?

There are 5 known substitutes for 4310-01-273-0321: 5360-00-170-2988, 3655-00-251-0706, 5995-01-314-9895 and 2 more. Verify interchangeability with system specifications before substitution.

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