7-239E540-80

Packing Retainer

NSN 5330-00-006-8243

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

000068243

Detail Specifications

Tempurature Rating:

-70.0 degrees fahrenheit and 250.0 degrees fahrenheit

Cross-sectional Height:

Between 0.135 inches and 0.143 inches

Center Hole Diameter:

Between 3.594 inches and 3.624 inches

Peripheral Diameter:

Between 3.854 inches and 3.900 inches

Criticality Code Justification:

Zzzy

Reference Number Differentiating Characteristics:

As differentiated by packaging in accordance with mil-p-23199 and material conforming to ships parts control center special quality control provisions

NSN:

5330-00-006-8243

Item Name:

Ring,backup,packing

Cage Code:

02697

Manufacturer Part Numbers

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

E0540 7-239

Cage Code:

02697

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS29561-239

Cage Code:

96906

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS29561-239

Cage Code:

23667

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13706

FIIG:

A032A0

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

156600

UFC:

77670

LTL:

RATING VARIABLE

LCL:

100.0

WCC:

596

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Packing Backup Ring"

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.