PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16704845Ring,piston

Fairbanks Morse, Llc · NSN 2815-00-180-5637 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-180-5637 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-180-5637. Primary manufacturer part number: 16704845.
Features
  • Ring,piston — FSC 2815
  • Ring Style: CONCENTRIC
  • Standard Bore Diameter: 8.125 INCHES IN
  • Radial Wall Thickness: 0.2810 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Joint Style: VERTICAL JOINT
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • 4 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2815-00-180-5637, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2815-00-180-5637
Primary Part Number16704845
Item NameRing,piston
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerFairbanks Morse, Llc
StatusCANCELLED
Ring StyleCONCENTRIC
Standard Bore Diameter8.125 INCHES IN
Radial Wall Thickness0.2810 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Joint StyleVERTICAL JOINT
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-197-334632008 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
6680-00-526-66043200-8 INTERCHANGEABLE
Gage,liquid Quantity,float Type
Rochester Sensors, Llc
5961-00-584-4527 INTERCHANGEABLE
Semiconductor Device,diode
4730-00-684-4718 INTERCHANGEABLE
Coupling Assembly,quick Disconne
5305-00-899-1833 INTERCHANGEABLE
Screw,externally Relieved Body
5935-01-042-5145 INTERCHANGEABLE
Connector Body,receptacle,electr
6515-01-173-2387 INTERCHANGEABLE
Intravenous Injection Set
3110-01-253-64049061841-00 INTERCHANGEABLE
Bearing,ball,annular
Hyster-Yale Group, Inc. Dba Yale Materials Handling
6350-01-310-0204 INTERCHANGEABLE
Bell,electrical
2940-01-312-1298 INTERCHANGEABLE
Air Cleaner,intake
Cross-Reference Index
Part NumberManufacturer
16704845 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
32008 Dana Corp Engine Products Div (USA)
65051 Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
16704845 PRIMARY Fairbanks Morse, Llc (USA)
Related Parts
5940-00-197-3346INTERCHANGEABLE
TERMINAL,LUG
32008
6680-00-526-6604INTERCHANGEABLE
GAGE,LIQUID QUANTITY,FLOAT TYPE
3200-8
5961-00-584-4527INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4730-00-684-4718INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
5305-00-899-1833INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
5935-01-042-5145INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
6515-01-173-2387INTERCHANGEABLE
INTRAVENOUS INJECTION SET
3110-01-253-6404INTERCHANGEABLE
BEARING,BALL,ANNULAR
9061841-00
6350-01-310-0204INTERCHANGEABLE
BELL,ELECTRICAL
2940-01-312-1298INTERCHANGEABLE
AIR CLEANER,INTAKE
5331-01-468-1223INTERCHANGEABLE
O-RING
32008
5340-01-511-3445INTERCHANGEABLE
SLIDE SECTION,DRAWER,EXTENSION
65-051

Frequently Asked Questions

What is NSN 2815-00-180-5637?

NSN 2815-00-180-5637 is a Ring,piston, manufactured by Fairbanks Morse, Llc, classified under FSC 2815 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2815-00-180-5637?

NSN 2815-00-180-5637 has 4 cross-referenced part numbers: 16704845 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 32008 (Dana Corp Engine Products Div), 65051 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 16704845 (Fairbanks Morse, Llc).

What NSN replaces 2815-00-180-5637?

There are 12 known substitutes for 2815-00-180-5637: 5940-00-197-3346, 6680-00-526-6604, 5961-00-584-4527 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16704845?

Key specifications for 16704845: Ring Style: CONCENTRIC; Standard Bore Diameter: 8.125 INCHES IN; Radial Wall Thickness: 0.2810 INCHES NOMINAL IN; Overall Width: 0.3120 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2815-00-180-5637 still in active supply?

NSN 2815-00-180-5637 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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