Model: ST7M251-11

O-ring

Special Features:

Bolt diameter 11/32

Properties:

Cross-sectional Height

Between 0.033 inches and 0.037 inches

Center Hole Diameter

Between 0.328 inches and 0.338 inches

Hardness Rating

70.0 shore durometer a

Part Name Assigned By Controlling Agency

Preformed-minature o-ring (for sealing bolts)

Material

Rubber fluorosilicone class fq

Material Specification

Mil-r-25988, type i, class 1, grade 70 military specification single material response

NSN

5331-01-494-8102

Part Number

ST7M251-11

Description

O-ring

CAGE

76301

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 ST7M251-11 NSN 5331-01-494-8102

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