Model: 254A

Packing With Retainer

Properties:

Outside Diameter
0.438 inches
Retainer Thickness
0.040 inches
Packing Ring Cross-sectional Diameter
0.050 inches
Retainer Inside Diameter
0.276 inches
Packing Inside Diameter
0.176 inches
Construction
Two-piece
Material
Rubber synthetic packing
Material
Steel retainer
Surface Treatment
Cadmium retainer
Fsc Application Data
General purpose use
NSN
5330-00-257-0872
Part Number
254A
Description
Packing With Retainer
CAGE
87709

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 254A NSN 5330-00-257-0872

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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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