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:
AE
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
596
TCC:
Z
SHC:
9
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

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