PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

255Ring Set,piston

Kaydon Ring & Seal Inc Dba Skf Precision Technologies · NSN 2805-00-741-0952 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-741-0952 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-741-0952. Primary manufacturer part number: 255.
Features
  • Ring Set,piston — FSC 2805
  • Piston Accommodation Quantity: 6
  • Ring Set Component Parts: COMPRESSION RING,200 CM,77220,12;OIL RING,WS 85,77220,12 CM
  • Standard Bore Diameter: 3.250 INCHES IN
  • 10 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 Set,piston, cataloged under National Stock Number 2805-00-741-0952, is classified within Federal Supply Class 2805 (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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 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
NSN2805-00-741-0952
Primary Part Number255
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerKaydon Ring & Seal Inc Dba Skf Precision Technologies
StatusCANCELLED
Piston Accommodation Quantity6
Ring Set Component PartsCOMPRESSION RING,200 CM,77220,12;OIL RING,WS 85,77220,12 CM
Standard Bore Diameter3.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-058-4544639 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
3110-00-100-066011211 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Ferguson Mfg and Equipment Co Inc
3030-00-102-3065000985 INTERCHANGEABLE
Belt,positive Drive
Makino Inc
6625-00-133-7673A265-1100 INTERCHANGEABLE
Ammeter
Essex Electro Engineers Inc
6625-00-222-1713TAASSEMBLY INTERCHANGEABLE
Test Set,electrical Power
Westinghouse Electric Corp
8345-00-233-2927 INTERCHANGEABLE
Flag,national
8345-00-247-0389 INTERCHANGEABLE
Flag,national
5930-00-346-8708 INTERCHANGEABLE
Switch,thermostatic
6625-00-489-64091003149 INTERCHANGEABLE
Voltmeter
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
5985-00-504-7777639 INTERCHANGEABLE
Horn,waveguide
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
Cross-Reference Index
Part NumberManufacturer
AR48 Hastings Manufacturing Co Div Hastings Manufacturing Company (USA)
255 PRIMARY Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
709 Bosch Automotive Service Solutions Inc. (USA)
709 Spx Corp (USA)
362 Burd Piston Ring Co (USA)
1241540 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
144S Hastings Manufacturing Co Div Hastings Manufacturing Company (USA)
639 Mcquay-Norris Inc Oem Div an Skf Industries Co
986869 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
539 Dana Corp Engine Products Div (USA)
Related Parts
5940-00-058-4544INTERCHANGEABLE
TERMINAL,LUG
639
3110-00-100-0660INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
11211
3030-00-102-3065INTERCHANGEABLE
BELT,POSITIVE DRIVE
000985
6625-00-133-7673INTERCHANGEABLE
AMMETER
A265-1100
6625-00-222-1713INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
TAASSEMBLY
8345-00-233-2927INTERCHANGEABLE
FLAG,NATIONAL
8345-00-247-0389INTERCHANGEABLE
FLAG,NATIONAL
5930-00-346-8708INTERCHANGEABLE
SWITCH,THERMOSTATIC
6625-00-489-6409INTERCHANGEABLE
VOLTMETER
1003149
5985-00-504-7777INTERCHANGEABLE
HORN,WAVEGUIDE
639
5999-00-677-4066INTERCHANGEABLE
HEATER,THERMAL RELEASE
AR4.80
6625-00-683-9423INTERCHANGEABLE
AMMETER

Frequently Asked Questions

What is NSN 2805-00-741-0952?

NSN 2805-00-741-0952 is a Ring Set,piston, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-741-0952?

NSN 2805-00-741-0952 has 10 cross-referenced part numbers: AR48 (Hastings Manufacturing Co Div Hastings Manufacturing Company), 255 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 709 (Bosch Automotive Service Solutions Inc.), 709 (Spx Corp), 362 (Burd Piston Ring Co) and 5 more.

What NSN replaces 2805-00-741-0952?

There are 12 known substitutes for 2805-00-741-0952: 5940-00-058-4544, 3110-00-100-0660, 3030-00-102-3065 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 255?

Key specifications for 255: Piston Accommodation Quantity: 6; Ring Set Component Parts: COMPRESSION RING,200 CM,77220,12;OIL RING,WS 85,77220,12 CM; Standard Bore Diameter: 3.250 INCHES IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-741-0952 still in active supply?

NSN 2805-00-741-0952 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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