PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204-118Ring Set,piston

Dresser Industries Inc Leroi Div · NSN 4310-00-377-8995 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-377-8995 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-377-8995. Primary manufacturer part number: 204-118.
Features
  • Ring Set,piston — FSC 4310
  • Ring Set Component Parts: COMPRESSION RING,18-312,35301,1,COMPRESSION RING,18-313,35301,COMPRESSION RING,18-315,35301,1,EXPANDER OIL RING,18-314,35301,1,OIL RING,18-311,35301,1
  • Piston Accommodation Quantity: 1
  • Standard Bore Diameter: 5.500 INCHES IN
  • 3 verified cross-references
  • Primary manufacturer: Dresser Industries Inc Leroi Div
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring Set,piston, cataloged under National Stock Number 4310-00-377-8995, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 3 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-377-8995
Primary Part Number204-118
Item NameRing Set,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Ring Set Component PartsCOMPRESSION RING,18-312,35301,1,COMPRESSION RING,18-313,35301,COMPRESSION RING,18-315,35301,1,EXPANDER OIL RING,18-314,35301,1,OIL RING,18-311,35301,1
Piston Accommodation Quantity1
Standard Bore Diameter5.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2990-00-041-2985 INTERCHANGEABLE
Muffler,exhaust
5910-00-112-73838A28546 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
General Dynamics Mission Systems, Inc. Dba Gdms
5330-00-135-9331 INTERCHANGEABLE
Seal,plain Encased
5136-00-197-95547244 INTERCHANGEABLE
Die,rethreading
Stanley Tools Div of Stanley Works
4220-00-431-6517NS114128 INTERCHANGEABLE
Divers Compass,wris
Aqualung Usa, Inc
4310-00-474-9129204118 INTERCHANGEABLE
Valve,unloader
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5940-01-007-20007244 INTERCHANGEABLE
Adapter,battery Terminal
Belden Wire and Cable Co Wire and Cable Office
4320-01-094-0089204362 INTERCHANGEABLE
Compensator Housing
Commercial Intertech Corp Kline Hydraulics Div
4730-01-250-15667244 INTERCHANGEABLE
Elbow,pipe
Mitsubishi Caterpillar Forklift America, Inc
6105-01-324-4532204118 INTERCHANGEABLE
Motor,alternating Current
Admiral Filter Company Llc
Cross-Reference Index
Part NumberManufacturer
7244 Gould Inc Clevite Engine Parts Div (USA)
204-118 PRIMARY Dresser Industries Inc Leroi Div (USA)
7244 Muskegon Piston Ring Co Muskegon Products Div (USA)
Related Parts
2990-00-041-2985INTERCHANGEABLE
MUFFLER,EXHAUST
5910-00-112-7383INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
8A28546
5330-00-135-9331INTERCHANGEABLE
SEAL,PLAIN ENCASED
5136-00-197-9554INTERCHANGEABLE
DIE,RETHREADING
7244
4220-00-431-6517INTERCHANGEABLE
DIVERS COMPASS,WRIS
NS114128
4310-00-474-9129INTERCHANGEABLE
VALVE,UNLOADER
204118
5940-01-007-2000INTERCHANGEABLE
ADAPTER,BATTERY TERMINAL
7244
4320-01-094-0089INTERCHANGEABLE
COMPENSATOR HOUSING
204362
4730-01-250-1566INTERCHANGEABLE
ELBOW,PIPE
7244
6105-01-324-4532INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
204118
5315-01-501-8565INTERCHANGEABLE
PIN,QUICK RELEASE
136792
5925-01-565-0428INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 4310-00-377-8995?

NSN 4310-00-377-8995 is a Ring Set,piston, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-377-8995?

NSN 4310-00-377-8995 has 3 cross-referenced part numbers: 7244 (Gould Inc Clevite Engine Parts Div), 204-118 (Dresser Industries Inc Leroi Div), 7244 (Muskegon Piston Ring Co Muskegon Products Div).

What NSN replaces 4310-00-377-8995?

There are 12 known substitutes for 4310-00-377-8995: 2990-00-041-2985, 5910-00-112-7383, 5330-00-135-9331 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 204-118?

Key specifications for 204-118: Ring Set Component Parts: COMPRESSION RING,18-312,35301,1,COMPRESSION RING,18-313,35301,COMPRESSION RING,18-315,35301,1,EXPANDER OIL RING,18-314,35301,1,OIL RING,18-311,35301,1; Piston Accommodation Quantity: 1; Standard Bore Diameter: 5.500 INCHES IN. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com