Model: 2-228 N304-75

Preformed Packing

Properties:

Cross Sectional Shape
O-ring
Tempurature Rating
-65.0 degrees fahrenheit and 160.0 degrees fahrenheit
Cross Section Outside Diameter
Between 0.135 inches and 0.143 inches
Cross-sectional Height
Between 0.135 inches and 0.143 inches
Center Hole Diameter
Between 2.224 inches and 2.244 inches
Peripheral Diameter
Between 2.484 inches and 2.540 inches
Elongation Percentage
164
Hardness Rating
70.0 shore durometer a and 80.0 shore durometer a
Criticality Code Justification
Abjh and supp
Operating Medium
Hydraulic fluid
Functional Description
Hydraulic fluid mil-h-5606, shock absorber struts, actuating cylinders and valves
Color
Red
Material
Rubber butadiene-acrylonitrile class nbr
Material Specification
Mil-p-5516, class a /inactive/ military specification single material response
Reference Data And Literature
Tm9-1440-1250-24p-1-1/-2
Relationship To Similar Equipment
Similar to nsn 5330-00-194-3713 p/n an6230-6 except packaging
Supplementary Features
W/ special unit package in accordance w/ packaging data sheet-engineering records-shelf life 48 months
NSN
5330-00-560-5627
Part Number
2-228 N304-75
Description
Packing,preformed
CAGE

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

Part 2-228 N304-75 NSN 5330-00-560-5627

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04521
FIIG:
A032A0
Concept No.:
App. Key:
AC
Cond. Code:
1
Status:
A

Material Classification

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

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Schedule B and Export
  • Schedule B: 3926904500
  • SITC: 89399
  • End Use: Other industrial supplies
  • NAICS: 339991
  • USDA: 1

Freight Class: Gaskets,washers & other seals

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