Model: 668416-021

Packing With Retainer

Properties:

Outside Diameter

0.375 inches

Retainer Thickness

0.040 inches

Packing Ring Cross-sectional Diameter

0.050 inches

Packing Inside Diameter

0.130 inches

Construction

One-piece

Material

Aluminum alloy 7075 retainer

Material

Rubber butadiene-acrylonitrile class nbr packing

Material Specification

Mil-r-6855 cl 1, gr 60 military specification single material response packing

Material Specification

Qq-a-250/12 federal specification single material response retainer

Surface Treatment

Anodize retainer

Surface Treatment Specification

Mil-a-8625 type 2 military specification single treatment response retainer

NSN

5330-00-203-3749

Part Number

668416-021

Description

Packing With Retainer

CAGE

83259

An item composed of a compressible nonmetallic ring which may be loosely fitted into a noncompressible retaining ring, or may be of one piece construction with the compressible ring molded and/or mechanically connected to the retainer. It is specifically designed to form a fluid tight seal when compressed by a packing nut, gland, etc., between fixed surfaces and a cylindrical item passing through it. Excludes seal, plain, encased.

Part 668416-021 NSN 5330-00-203-3749

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05680

FIIG:

A032A0

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

596

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 3926904500
SITC: 89399
End Use: Other industrial supplies
NAICS: 339991
USDA: 1

Freight Class: Gaskets,washers & other seals