PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32730Ring,piston

Kaydon Ring & Seal Inc Dba Skf Precision Technologies · NSN 2815-00-277-2919 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-277-2919 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-277-2919. Primary manufacturer part number: 32730.
Features
  • Ring,piston — FSC 2815
  • Joint Style: VERTICAL JOINT
  • Radial Wall Thickness: 0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
  • Material: IRON OVERALL
  • Ring Style: CONCENTRIC
  • Standard Bore Diameter: 5.250 INCHES IN
  • Cross-Sectional Shape Style: FOUR FILLED GROOVES, STRAIGHT FACE SCRAPER
  • 13 verified cross-references
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2815-00-277-2919, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-277-2919
Primary Part Number32730
Item NameRing,piston
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerKaydon Ring & Seal Inc Dba Skf Precision Technologies
StatusACTIVE
Joint StyleVERTICAL JOINT
Radial Wall Thickness0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
MaterialIRON OVERALL
Ring StyleCONCENTRIC
Standard Bore Diameter5.250 INCHES IN
Cross-Sectional Shape StyleFOUR FILLED GROOVES, STRAIGHT FACE SCRAPER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-405-259632730 INTERCHANGEABLE
Nut,plain,castellated,hexagon
Garrison Manufacturing Inc
5310-00-690-019232730 INTERCHANGEABLE
Washer
Pdi Ground Support Systems, Inc.
2530-00-753-9156A1690 INTERCHANGEABLE
Hub X Drum Asy Whee
Am General Llc
3120-00-930-5415 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
CADH8A Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
MADG5BPC18-19 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
15ADD5APC18-19 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
ADH8A Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
MADG5APC18-19 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
7ADD5APC18-19 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
32730 PRIMARY Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
10ADE5APC18-19 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
CADH8A Fairbanks Morse, Llc (USA)
MADH8A Moparts Corp (USA)
13ADD5APC18-19 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
ADE8A Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
CADH8A Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA)
Related Parts
5310-00-405-2596INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
32730
5310-00-690-0192INTERCHANGEABLE
WASHER
32730
2530-00-753-9156INTERCHANGEABLE
HUB X DRUM ASY WHEE
A1690
3120-00-930-5415INTERCHANGEABLE
BUSHING,SLEEVE

Frequently Asked Questions

What is NSN 2815-00-277-2919?

NSN 2815-00-277-2919 is a Ring,piston, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-277-2919?

NSN 2815-00-277-2919 has 13 cross-referenced part numbers: CADH8A (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), MADG5BPC18-19 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 15ADD5APC18-19 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), ADH8A (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), MADG5APC18-19 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine) and 8 more.

What NSN replaces 2815-00-277-2919?

There are 4 known substitutes for 2815-00-277-2919: 5310-00-405-2596, 5310-00-690-0192, 2530-00-753-9156 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 32730?

Key specifications for 32730: Joint Style: VERTICAL JOINT; Radial Wall Thickness: 0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN; Material: IRON OVERALL; Ring Style: CONCENTRIC. 7 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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