Model: 721398-21

Compression Helical Spring

Properties:

Inside Diameter

Between 0.898 inches and 0.928 inches

End Style

E2 spring end, squared both ends

Spring Free Length

Between 9.880 inches and 10.120 inches

Coil Quantity

Spring Solid Length

3.160 inches

Coil Helix Direction

Right-hand or left-hand

Spring Free Outside Diameter

Between 1.110 inches and 1.140 inches

Material

Steel uns k06501

Material Specification

Aastm a227 assn standard 1st material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, class 1 federal specification single treatment response

Style Designator

Cylindrical

NSN

5360-00-832-1644

Part Number

721398-21

Description

Spring,helical,compression

CAGE

05869

Part 721398-21 NSN 5360-00-832-1644

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04226

FIIG:

A02900

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:

178020

UFC:

87470

LTL:

70.0

LCL:

WCC:

579

TCC:

SHC:

ACC:

Construction Materials

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