PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4985Piston,valve

Amw Cuyuna Engine Co. Inc Dba Two Stroke International · NSN 4810-01-498-7918 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-498-7918 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-498-7918. Primary manufacturer part number: 4985.
Features
  • Piston,valve — FSC 4810
  • 1 verified cross-reference
  • Primary manufacturer: Amw Cuyuna Engine Co. Inc Dba Two Stroke International
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4810-01-498-7918, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Amw Cuyuna Engine Co. Inc Dba Two Stroke International. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-498-7918
Primary Part Number4985
Item NamePiston,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerAmw Cuyuna Engine Co. Inc Dba Two Stroke International
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5905-00-833-30824985 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Magtrol Inc. Dba Magtrol Inc
2805-00-853-5678T7901M INTERCHANGEABLE
Ring Set,piston
Trw Inc Trw Intl Trade Government Sales Dept
5950-00-970-5227 INTERCHANGEABLE
Transformer,power
5935-00-990-6650347C328H01 INTERCHANGEABLE
Connector,plug,electrical
Westinghouse Electric Corp
5330-01-013-78494985 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5935-01-187-74524985 INTERCHANGEABLE
Insert,electrical Connector
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5305-01-302-48404985 INTERCHANGEABLE
Setscrew
Cascade Corp
6530-01-306-17384985 INTERCHANGEABLE
Drape,operating Microscope
Microtek Medical, Inc.
6515-01-555-8573RH1542 INTERCHANGEABLE
Face,mallet,nasal
Cardinal Health 200, Llc
Cross-Reference Index
Part NumberManufacturer
4985 PRIMARY Amw Cuyuna Engine Co. Inc Dba Two Stroke International (USA)
Related Parts
5905-00-833-3082INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
4985
2805-00-853-5678INTERCHANGEABLE
RING SET,PISTON
T7901M
5950-00-970-5227INTERCHANGEABLE
TRANSFORMER,POWER
5935-00-990-6650INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
347C328H01
5330-01-013-7849INTERCHANGEABLE
SEAL,PLAIN ENCASED
4985
5935-01-187-7452INTERCHANGEABLE
INSERT,ELECTRICAL CONNECTOR
4985
5305-01-302-4840INTERCHANGEABLE
SETSCREW
4985
6530-01-306-1738INTERCHANGEABLE
DRAPE,OPERATING MICROSCOPE
4985
6515-01-555-8573INTERCHANGEABLE
FACE,MALLET,NASAL
RH1542

Frequently Asked Questions

What is NSN 4810-01-498-7918?

NSN 4810-01-498-7918 is a Piston,valve, manufactured by Amw Cuyuna Engine Co. Inc Dba Two Stroke International, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-498-7918?

NSN 4810-01-498-7918 has 1 cross-referenced part number: 4985 (Amw Cuyuna Engine Co. Inc Dba Two Stroke International).

What NSN replaces 4810-01-498-7918?

There are 9 known substitutes for 4810-01-498-7918: 5905-00-833-3082, 2805-00-853-5678, 5950-00-970-5227 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4985?

Key specifications for 4985: End Item Identification: 4230-01-492-1540. 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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