PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8158Ring,piston

Kaydon Ring & Seal Inc Dba Skf Precision Technologies · NSN 2815-00-592-5308 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-592-5308 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-592-5308. Primary manufacturer part number: 8158.
Features
  • Ring,piston — FSC 2815
  • 7 verified cross-references
  • Primary manufacturer: Kaydon Ring & Seal Inc Dba Skf Precision Technologies
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,piston, cataloged under National Stock Number 2815-00-592-5308, 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. This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,piston
FSC / FSG2815 — No Item Name Available (FSG 28)
ManufacturersKaydon Ring & Seal Inc Dba Skf Precision Technologies (CAGE 75370); Curtiss-Wright Controls, Inc. Div Actuation Division (CAGE 0AHP5); Sasco Inc Canadian Div (CAGE 58275); Naval Ship Systems Command (CAGE 80064); Capitol Engine Co, Inc Dba Salmini Worldwide (CAGE 78047)
Technical Specifications
ParameterValue
NSN2815-00-592-5308
Primary Part Number8158
Item NameRing,piston
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerKaydon Ring & Seal Inc Dba Skf Precision Technologies
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5815-00-125-81868158 INTERCHANGEABLE
Lever
Telemechanics Inc
5310-00-148-473112094 INTERCHANGEABLE
Washer,flat
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5306-00-206-09308158 INTERCHANGEABLE
Bolt,shoulder
Kone Inc.
5340-00-290-4139 INTERCHANGEABLE
Hook,screw
6625-00-308-5330 INTERCHANGEABLE
Roller,recording Instrument Char
2920-00-424-32595A3532 INTERCHANGEABLE
Plate Assembly,seal
Napco International Llc Dba Napco International Inc
5315-00-447-355612094 INTERCHANGEABLE
Pin
Komatsu America Corporation
4820-00-640-0292167 1-4 INTERCHANGEABLE
Valve,lift-Check
The Walworth Company
5310-00-820-445812094 INTERCHANGEABLE
Washer,flat
Triumph Controls, Llc Dba Triumph Controls, Llc
5995-00-845-4754 INTERCHANGEABLE
Cable Assembly,radio Frequency
Cross-Reference Index
Part NumberManufacturer
8158 PRIMARY Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
A86855 PRIMARY Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
A86855 Sasco Inc Canadian Div
3289425 Naval Ship Systems Command (USA)
A86855 PRIMARY Capitol Engine Co, Inc Dba Salmini Worldwide (USA)
12094 Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
8158A Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
Related Parts
5815-00-125-8186INTERCHANGEABLE
LEVER
8158
5310-00-148-4731INTERCHANGEABLE
WASHER,FLAT
12094
5306-00-206-0930INTERCHANGEABLE
BOLT,SHOULDER
8158
5340-00-290-4139INTERCHANGEABLE
HOOK,SCREW
6625-00-308-5330INTERCHANGEABLE
ROLLER,RECORDING INSTRUMENT CHAR
2920-00-424-3259INTERCHANGEABLE
PLATE ASSEMBLY,SEAL
5A3532
5315-00-447-3556INTERCHANGEABLE
PIN
12094
4820-00-640-0292INTERCHANGEABLE
VALVE,LIFT-CHECK
167 1-4
5310-00-820-4458INTERCHANGEABLE
WASHER,FLAT
12094
5995-00-845-4754INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
5950-01-090-3206INTERCHANGEABLE
TRANSFORMER,POWER
12094
3655-01-193-1633INTERCHANGEABLE
PRESSURE PLATE
12094

Frequently Asked Questions

What is NSN 2815-00-592-5308?

NSN 2815-00-592-5308 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 2815-00-592-5308?

NSN 2815-00-592-5308 has 7 cross-referenced part numbers: 8158 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), A86855 (Curtiss-Wright Controls, Inc. Div Actuation Division), A86855 (Sasco Inc Canadian Div), 3289425 (Naval Ship Systems Command), A86855 (Capitol Engine Co, Inc Dba Salmini Worldwide) and 2 more.

What NSN replaces 2815-00-592-5308?

There are 12 known substitutes for 2815-00-592-5308: 5815-00-125-8186, 5310-00-148-4731, 5306-00-206-0930 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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