Model: 491691

Helical Compression Spring Seat

Properties:

Counterbore Diameter

Between 0.6700 inches and 0.6900 inches

Overall Height

0.2600 inches

First Step Diameter

1.0900 inches

First Step Length

0.0700 inches

Bore Diameter

Between 0.2490 inches and 0.2510 inches

Material Hardness Rating

Between 38.0 rockwell c and 40.0 rockwell c

Second End Diameter

Between 0.8400 inches and 0.8440 inches

Design Type

Solid

End Diameter

Between 0.3900 inches and 0.4100 inches

Distance From End To First Step

Between 0.0500 inches and 0.0700 inches

Counterbore Length

0.1200 inches

Material

Steel

Material

Steel

Surface Treatment

Passivate

Style Designator

Seat

Surface Treatment

Passivated

Fsc Application Data

Control assembly, engine aircraft p/n 544050

NSN

5340-00-914-5394

Part Number

491691

Description

Seat,helical Compression Spring

CAGE

77445

Part 491691 NSN 5340-00-914-5394

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

24328

FIIG:

T319-E

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

60.0

WCC:

713

TCC:

SHC:

ACC:

Equipment for Aircraft

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