Model: 1257AS129-1

Compression Helical Spring

Properties:

Inside Diameter

0.378 inches

End Style

E4 spring end, squared and ground both ends

Bore Diameter

0.500 inches

Stock Diameter

0.051 inches

Spring Free Length

2.250 inches

Coil Quantity

Load Rating

Between 15.000 pounds and 17.000 pounds

Spring Solid Length

0.740 inches

Spring Solid Outside Diameter

Between 0.472 inches and 0.488 inches

Coil Helix Direction

Left-hand

Spring Deflection Rate

10.500 pounds per inch

Spring Free Outside Diameter

Between 0.472 inches and 0.488 inches

Spring Length Under Load

0.740 inches

Material

Steel comp 302

Material Specification

Astm a313, cond b assn standard single material response

Style Designator

Cylindrical

NSN

5360-01-399-0195

Part Number

1257AS129-1

Description

Spring,helical,compression

CAGE

30003

Part 1257AS129-1 NSN 5360-01-399-0195

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:

0.2000lbs

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:

177940

UFC:

87400

LTL:

RATING VARIABLE

LCL:

WCC:

579

TCC:

SHC:

ACC:

Construction Materials

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