Model: 2-256 N304-75

O-ring

Properties:

Outside Diameter

Between 5.969 inches and 6.055 inches

Tempurature Rating

-65.0 degrees fahrenheit and 160.0 degrees fahrenheit

Cross-sectional Height

Between 0.135 inches and 0.143 inches

Center Hole Diameter

5.734 inches

Elongation Percentage

164

Hardness Rating

75.0 shore durometer a

Material

Rubber butadiene-acrylonitrile class nbr

Material Specification

Mil-p-5516 military specification single material response

NSN

5331-01-105-8886

Part Number

2-256 N304-75

Description

O-ring

CAGE

C0308

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

Part 2-256 N304-75 NSN 5331-01-105-8886

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

47946

FIIG:

A510X0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

596

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 4016930000
SITC: 62999
End Use: Industrial rubber products
NAICS: 339991
USDA: 1

Freight Class: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber