Model: 7631991

Protection Bellows

Special Features:

Bellows must not leak under 5 lbs pressure

Properties:

Thickness

Between 0.040 inches and 0.045 inches

Mounting Hole Diameter

Between 0.125 inches and 0.135 inches

Mounting Hole Quantity

Large End Outside Diameter

2.750 inches

Small End Outside Diameter

2.250 inches

Durometer Hardness Rating

Between 35.0 and 45.0

Features Provided

Flanged base

Large End Inside Diameter

2.000 inches

Large End Inside Length

0.250 inches

Neutral Length

3.250 inches

Large End Outside Length

0.210 inches

Material

Rubber synthetic

Material Specification

Mil-std-417, type r, class rs, grade 410a1bf2 military standard single material response

NSN

9320-00-202-2177

Part Number

7631991

Description

Bellows,protection

CAGE

19200

A nonmetallic, accordian shaped protective covering designed to flex due to relative motion between parts to which its opposite ends are attached. It is primarily used to cover the opening around a movable push-pull rod or part passing through a hole in a bulkhead, partition or the like.

Part 7631991 NSN 9320-00-202-2177

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

35168

FIIG:

A539Z0

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:

183780

UFC:

90090

LTL:

100.0

LCL:

100.0

WCC:

732

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 4016996000
SITC: 62999
End Use: Industrial rubber products
NAICS: 326299
USDA: 1

Freight Class: Other articles of vulcanized rubber other than hard rubber, nesoi