21134A

Piston Ring

NSN 2805-00-277-2933

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002772933

Detail Specifications

Cross Sectional Shape:
Convex face, double scraper, ventilated oil control
Ring Style:
Concentric
Radial Wall Thickness:
0.1770 inches
Overall Width:
Between 0.2400 inches and 0.2485 inches
Standard Bore Diameter:
4.250 inches
Joint Style:
Vertical joint
Oil Passage Type And Quantity:
1 groove outside periphery
Oil Passage Type And Quantity:
8 slot horizontally through ring
Material:
Iron
NSN:
2805-00-277-2933
Item Name:
Rider Ring
Cage Code:
28265

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
21134A
Cage Code:
1ML14
RNCC:
3
RNVC:
2
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
HM21134A
Cage Code:
77237
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
HM21134A
Cage Code:
12603
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
HM21134A
Cage Code:
89749
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:

Part Identification

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

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
126700
UFC:
64230
LTL:
85.0
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Rider Ring"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
Import / Export
  • Schedule B: 8409918000
  • SITC: 71391
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Classification: Parts for spark-ignition internal combustion piston engines, nesoi


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