Model: 12490-8

O-ring

Properties:

Outside Diameter

Between 0.557 inches and 0.579 inches

Cross-sectional Height

Between 0.100 inches and 0.106 inches

Center Hole Diameter

Between 0.357 inches and 0.367 inches

End Application

W/s: guided missile launching system, mk 26 (gmls); fire control system, missile mk 74 (fcs); systems, jp-5 aviation fuels; engine, aircraft tf33-pw-102 (c-135e, ec-135h/k/p); engine, aircraft tf33-p-3/5/9 (c/ec-135, b-52h); boilers, 1200 psi; lpd 17 class amphibious transport dock; fire control system, mk 92 (fcs); engine, aircrft, tf33-100 (e3a/b/c); shipboard material handling equipment (mhe)

Material

Rubber butadiene-acrylonitrile class nbr

NSN

5331-00-248-3837

Part Number

12490-8

Description

O-ring

CAGE

11599

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 12490-8 NSN 5331-00-248-3837

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:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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