PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48417Ring Set,piston

Leroi International Inc Dba Compair Leroi · NSN 4310-00-777-6945 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-777-6945 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-777-6945. Primary manufacturer part number: 48417.
Features
  • Ring Set,piston — FSC 4310
  • Ring Set Component Parts: COMPRESSION RING,48205,53239,2,OIL RING,48206,53239,1
  • Piston Accommodation Quantity: 1
  • Standard Bore Diameter: 1.500 INCHES IN
  • 2 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 Ring Set,piston, cataloged under National Stock Number 4310-00-777-6945, 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. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-777-6945
Primary Part Number48417
Item NameRing Set,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerLeroi International Inc Dba Compair Leroi
StatusACTIVE
Ring Set Component PartsCOMPRESSION RING,48205,53239,2,OIL RING,48206,53239,1
Piston Accommodation Quantity1
Standard Bore Diameter1.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6150-00-327-6226 INTERCHANGEABLE
Cable Assembly,special Purpose,e
4820-01-495-7582 INTERCHANGEABLE
Valve,flow Control
5315-01-652-630148417 INTERCHANGEABLE
Pin,straight,headed
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
48417 Compair Kellogg Div of Robertshaw Controls Co (USA)
48417 PRIMARY Leroi International Inc Dba Compair Leroi (USA)
Related Parts
6150-00-327-6226INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
4820-01-495-7582INTERCHANGEABLE
VALVE,FLOW CONTROL
5315-01-652-6301INTERCHANGEABLE
PIN,STRAIGHT,HEADED
48417

Frequently Asked Questions

What is NSN 4310-00-777-6945?

NSN 4310-00-777-6945 is a Ring Set,piston, 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 4310-00-777-6945?

NSN 4310-00-777-6945 has 2 cross-referenced part numbers: 48417 (Compair Kellogg Div of Robertshaw Controls Co), 48417 (Leroi International Inc Dba Compair Leroi).

What NSN replaces 4310-00-777-6945?

There are 3 known substitutes for 4310-00-777-6945: 6150-00-327-6226, 4820-01-495-7582, 5315-01-652-6301. Verify interchangeability with system specifications before substitution.

What are the specifications of 48417?

Key specifications for 48417: Ring Set Component Parts: COMPRESSION RING,48205,53239,2,OIL RING,48206,53239,1; Piston Accommodation Quantity: 1; Standard Bore Diameter: 1.500 INCHES IN. 3 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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