PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N6312-8911Ring,piston

N a K Engineering Inc · NSN 2815-00-363-8365 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-363-8365 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-363-8365. Primary manufacturer part number: N6312-8911.
Features
  • Ring,piston — FSC 2815
  • 14 verified cross-references
  • Primary manufacturer: N a K Engineering Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,piston, cataloged under National Stock Number 2815-00-363-8365, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is N a K Engineering Inc. This item has 14 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameRing,piston
FSC / FSG2815 — No Item Name Available (FSG 28)
ManufacturersEnergy Services Group Div of Cooper Industries Inc (CAGE 43952); Cooper Machinery Services Llc (CAGE 14541); Dover Resources Inc Dba C. Lee Cook Div (CAGE 60251); N a K Engineering Inc (CAGE 1EW06); Sargent Aerospace & Defense, Llc Dba Airtomic Div Sargent (CAGE 71687)
Technical Specifications
ParameterValue
NSN2815-00-363-8365
Primary Part NumberN6312-8911
Item NameRing,piston
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerN a K Engineering Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5360-00-051-1347998-D-11 INTERCHANGEABLE
Spring,helical,compression
Lawler Manufacturing Company, Inc.
5815-00-057-342403038 INTERCHANGEABLE
Bell,carriage Position
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5940-00-204-7781227-1071PT3 INTERCHANGEABLE
Terminal,lug
Raytheon Company Dba Raytheon Co
4720-00-639-9901245-6 INTERCHANGEABLE
Hose,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5950-00-799-36093038 INTERCHANGEABLE
Transformer,power
Ballantine Laboratories Inc
6625-00-916-52363038 INTERCHANGEABLE
Voltmeter
Continental Electronics Corp
5935-00-919-32423480410-1 INTERCHANGEABLE
Connector,receptacle,electrical
Caes Systems Llc
3030-00-919-90965L380 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
4720-00-999-8994 INTERCHANGEABLE
Hose,nonmetallic
5815-01-083-9419 INTERCHANGEABLE
Teletypewriter Subassembly
Cross-Reference Index
Part NumberManufacturer
1L136WPCDS1060 Energy Services Group Div of Cooper Industries Inc (USA)
63128911 Cooper Machinery Services Llc (USA)
3038 Dover Resources Inc Dba C. Lee Cook Div (USA)
DS9110 Energy Services Group Div of Cooper Industries Inc (USA)
DS634 Energy Services Group Div of Cooper Industries Inc (USA)
N6312-8911 PRIMARY N a K Engineering Inc (USA)
PL167WPCDS1060 Energy Services Group Div of Cooper Industries Inc (USA)
DS634 Cooper Machinery Services Llc (USA)
3038KCY PRIMARY Sargent Aerospace & Defense, Llc Dba Airtomic Div Sargent (USA)
63128911 PRIMARY Hatch & Kirk, Inc. (USA)
DS9110 Cooper Machinery Services Llc (USA)
DS9110 Hatch & Kirk, Inc. (USA)
DS634 Hatch & Kirk, Inc. (USA)
63128911 Energy Services Group Div of Cooper Industries Inc (USA)
Related Parts
5360-00-051-1347INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
998-D-11
5815-00-057-3424INTERCHANGEABLE
BELL,CARRIAGE POSITION
03038
5940-00-204-7781INTERCHANGEABLE
TERMINAL,LUG
227-1071PT3
4720-00-639-9901INTERCHANGEABLE
HOSE,NONMETALLIC
245-6
5950-00-799-3609INTERCHANGEABLE
TRANSFORMER,POWER
3038
6625-00-916-5236INTERCHANGEABLE
VOLTMETER
3038
5935-00-919-3242INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3480410-1
3030-00-919-9096INTERCHANGEABLE
BELT,V
5L380
4720-00-999-8994INTERCHANGEABLE
HOSE,NONMETALLIC
5815-01-083-9419INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5950-01-101-3463INTERCHANGEABLE
COIL,RADIO FREQUENCY
13057892
5305-01-222-7770INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 2815-00-363-8365?

NSN 2815-00-363-8365 is a Ring,piston, manufactured by N a K Engineering Inc, classified under FSC 2815 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2815-00-363-8365?

NSN 2815-00-363-8365 has 14 cross-referenced part numbers: 1L136WPCDS1060 (Energy Services Group Div of Cooper Industries Inc), 63128911 (Cooper Machinery Services Llc), 3038 (Dover Resources Inc Dba C. Lee Cook Div), DS9110 (Energy Services Group Div of Cooper Industries Inc), DS634 (Energy Services Group Div of Cooper Industries Inc) and 9 more.

What NSN replaces 2815-00-363-8365?

There are 12 known substitutes for 2815-00-363-8365: 5360-00-051-1347, 5815-00-057-3424, 5940-00-204-7781 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 2815-00-363-8365 still in active supply?

NSN 2815-00-363-8365 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.
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