Model: 637769

Helical Compression Spring Seat

Properties:

Counterbore Diameter

Between 0.8000 inches and 0.8200 inches

Overall Height

Between 0.3500 inches and 0.3600 inches

First Step Diameter

Between 0.9750 inches and 0.9850 inches

First Step Length

Between 0.1880 inches and 0.2080 inches

Second Step Diameter

Between 1.1800 inches and 1.2000 inches

Bore Diameter

Between 0.2510 inches and 0.2530 inches

Material Hardness Rating

Between 25.0 rockwell c and 33.0 rockwell c

Design Type

Solid

End Diameter

Between 0.3700 inches and 0.3800 inches

Distance From End To First Step

Between 0.0780 inches and 0.1020 inches

Counterbore Length

Between 0.1920 inches and 0.1980 inches

Material

Steel, ams 5613

Material

Steel comp 410

Material Specification

Ams 5613 assn standard single material response

Style Designator

Seat

NSN

5340-00-471-0766

Part Number

637769

Description

Seat,helical Compression Spring

CAGE

77445

Part 637769 NSN 5340-00-471-0766

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

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:

095190

UFC:

49790

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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