Model: PM21218-1

Compression Helical Spring

Properties:

Inside Diameter

0.124 inches

End Style

E4 spring end, squared and ground both ends

Bore Diameter

Between 0.185 inches and 0.188 inches

Stock Diameter

0.028 inches

Spring Free Length

Between 0.363 inches and 0.383 inches

Accommodated Rod Diameter

0.093 inches

Coil Quantity

Load Rating

Between 3.960 pounds and 4.840 pounds

Spring Solid Length

0.146 inches

Spring Solid Outside Diameter

Between 0.175 inches and 0.185 inches

Coil Helix Direction

Left-hand

Spring Free Outside Diameter

Between 0.175 inches and 0.185 inches

Spring Length Under Load

0.270 inches

Material

Steel comp 1086 or steel comp 1090

Material Specification

Ams 5112 assn standard single material response

Surface Treatment

Cadmium

Style Designator

Cylindrical

NSN

5360-01-028-0530

Part Number

PM21218-1

Description

Spring,helical,compression

CAGE

81579

Part PM21218-1 NSN 5360-01-028-0530

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

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:

177970

UFC:

87420

LTL:

NO RATING

LCL:

WCC:

579

TCC:

SHC:

ACC:

Construction Materials

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