PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37116Ring,piston

Leroi International Inc Dba Compair Leroi · NSN 4310-01-278-5492 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-278-5492 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-278-5492. Primary manufacturer part number: 37116.
Features
  • Ring,piston — FSC 4310
  • Joint Style: VERTICAL JOINT
  • Ring Style: CONCENTRIC
  • Material: IRON OVERALL
  • Standard Bore Diameter: 5.500 INCHES IN
  • Radial Wall Thickness: 0.1250 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Leroi International Inc Dba Compair Leroi
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-278-5492, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-278-5492
Primary Part Number37116
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerLeroi International Inc Dba Compair Leroi
StatusACTIVE
Joint StyleVERTICAL JOINT
Ring StyleCONCENTRIC
MaterialIRON OVERALL
Standard Bore Diameter5.500 INCHES IN
Radial Wall Thickness0.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3040-00-180-8915371-16 INTERCHANGEABLE
Shaft,idler
Elbitamerica, Inc.
5310-00-515-7507 INTERCHANGEABLE
Washer,spring Tension
5110-01-053-0572 INTERCHANGEABLE
File,hand
6145-01-212-477337116 INTERCHANGEABLE
Wire,electrical
Belden Wire and Cable Co Wire and Cable Office
5340-01-458-882637116 INTERCHANGEABLE
Plate,mounting
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
Cross-Reference Index
Part NumberManufacturer
37116 Compair Kellogg Div of Robertshaw Controls Co (USA)
37116 PRIMARY Leroi International Inc Dba Compair Leroi (USA)
DS6881 Servisell Co (USA)
903673 Muskegon Piston Ring Co Muskegon Products Div (USA)
Related Parts
3040-00-180-8915INTERCHANGEABLE
SHAFT,IDLER
371-16
5310-00-515-7507INTERCHANGEABLE
WASHER,SPRING TENSION
5110-01-053-0572INTERCHANGEABLE
FILE,HAND
6145-01-212-4773INTERCHANGEABLE
WIRE,ELECTRICAL
37116
5340-01-458-8826INTERCHANGEABLE
PLATE,MOUNTING
37116

Frequently Asked Questions

What is NSN 4310-01-278-5492?

NSN 4310-01-278-5492 is a Ring,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 4310-01-278-5492?

NSN 4310-01-278-5492 has 4 cross-referenced part numbers: 37116 (Compair Kellogg Div of Robertshaw Controls Co), 37116 (Leroi International Inc Dba Compair Leroi), DS6881 (Servisell Co), 903673 (Muskegon Piston Ring Co Muskegon Products Div).

What NSN replaces 4310-01-278-5492?

There are 5 known substitutes for 4310-01-278-5492: 3040-00-180-8915, 5310-00-515-7507, 5110-01-053-0572 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37116?

Key specifications for 37116: Joint Style: VERTICAL JOINT; Ring Style: CONCENTRIC; Material: IRON OVERALL; Standard Bore Diameter: 5.500 INCHES IN. 5 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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