NSN 2810-00-294-3523

Piston Ring
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
--
NIIN:
002943523

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Inventory

 

This product may be available in the following quantities and conditions.

  • OH: 1
  • NS: 240
  • NE: 4617
  • SV: 2
  • AR: 1

Please note that inventory for this NSN was updated 07/23/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "RING,PISTON"

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

2810-00-294-3523 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AAGR
Cross Sectional Shape
Straight face, double scraper, w/expander
MRC:
ACXD
Ring Style
Concentric
MRC:
ACXF
Radial Wall Thickness
Between 0.1840 inches and 0.1850 inches
MRC:
ACXJ
Overall Width
Between 0.1350 inches and 0.1450 inches
MRC:
ACXZ
Standard Bore Diameter
4.875 inches
MRC:
ADTE
Joint Style
Vertical joint
MRC:
CQKZ
Oil Passage Type And Quantity
10 hole horizontally through ring
MRC:
MATT
Material
Steel expander
MRC:
SFTT
Surface Treatment
Any acceptable
MRC:
ZZZV
Fsc Application Data
Engine, aircraft, reciprocating

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
4374
Cage Code:
79606
RNCC:
3
RNVC:
9
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
68338
Cage Code:
80254
RNCC:
5
RNVC:
2
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
67540
Cage Code:
80254
RNCC:
5
RNVC:
9
DAC:
5
RNAAC:
SB
Status:
A
MSDS:
SADC:
Indicates a design/source control reference item
Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
11459
FIIG:
A08400
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
ADPE:
CRITL:
X
Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) A

Item does not contain precious metal.

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Import and Export

Schedule B
NAIC
End Use
SITC
USDA
HITECH
Schedule B:
8409100080
NAICS:
336412
End Use Class:
50020
SITC:
71319
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8409100080

Ignition Internal Combustion Piston Engines For Use In Aircraft Except Civil Ignition Or Compression Parts For Spark

End Use Code 50020

Engines and Turbines For Military Aircraft

Standard Intl. Trade Class (SITC) 71319

Ignition Reciprocating Or Rotary Combustion Piston Engines For Aircraft Parts, N.e.s., Of Spark

National motor freight and handling

NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
126700
NMF Description:
Iron Piston Rings
UFC:
64230
LTL:
85.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
Z
ADC:
A
ACC:
A

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 593

Motors and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) A

Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) Z

Other or no special handling required (sh)