21978H

Compression Helical Spring

NSN 5360-00-378-7218

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

003787218

Product Technical Spec.

Inside Diameter:

0.375 inches

End Style:

E4 spring end, squared and ground both ends

End Style:

Spring end, squared and ground both ends

Bore Diameter:

0.531 inches

Spring Free Length:

1.250 inches

Accommodated Rod Diameter:

0.313 inches

Coil Quantity:

Load Rating:

Between 16.830 pounds and 20.570 pounds

Spring Solid Outside Diameter:

0.500 inches

Coil Helix Direction:

Right-hand or left-hand

Spring Free Outside Diameter:

0.500 inches

Spring Length Under Load:

0.750 inches

Material:

Steel

Style Designator:

Cylindrical

NSN:

5360-00-378-7218

Item Name:

Spring,detent Shaft

Cage Code:

31007

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

21978H

Cage Code:

29510

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

29137

Cage Code:

04627

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

21978H

Cage Code:

29930

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

526380

Cage Code:

92679

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

29137

Cage Code:

30076

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04226

FIIG:

A02900

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

177970

UFC:

87420

LTL:

NO RATING

LCL:

WCC:

579

TCC:

SHC:

ACC:

Trailers/Vehicles

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Pricing & Availability

Submit this form for current pricing and availability quote on part number 21978h and/or cross reference parts.

Definition Definition of approved item name (AIN): "Detent Shaft Spring"

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.