51-16

Helical Compression Spring Seat

NSN 5340-00-021-5583

DEMIL

Shelf Life

UOM

NIIN

Demil:

DEMIL/MLI

Shelf Life:

N/A

UOM:

1 EA

NIIN:

000215583

Detail Specifications

Counterbore Diameter:

0.0620 inches

Overall Height:

0.4550 inches

First Step Diameter:

Between 0.2280 inches and 0.2320 inches

First Step Length:

0.0950 inches

Second Step Diameter:

0.4580 inches

Bore Diameter:

Between 0.1990 inches and 0.2040 inches

Material Hardness Rating:

Between 58.0 rockwell c and 60.0 rockwell c

Design Type:

Solid

End Diameter:

0.2100 inches

Distance From End To First Step:

0.2670 inches

Counterbore Length:

0.0750 inches

Material:

Steel mil-s-7420 comp e52100

Material:

Steel mil-s-7420 comp e52100

Style Designator:

Seat

NSN:

5340-00-021-5583

Item Name:

Retainer,valve Spring

Cage Code:

90166

Manufacturer Part Numbers

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

5116

Cage Code:

43491

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

24328

FIIG:

T319-E

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:

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:

095190

UFC:

49790

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Valve Spring Retainer"

A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a retainer, helical compression spring. Excludes washer (1), (as modified); seat, ball socket and holder, spring. See also rotor, engine poppet valve.