Model: 2621-906-19PC20

Preformed Packing

Properties:

Cross Sectional Shape
O-ring
Tempurature Rating
-65.0 degrees fahrenheit and 275.0 degrees fahrenheit
Cross-sectional Height
Between 0.067 inches and 0.073 inches
Center Hole Diameter
Between 0.296 inches and 0.306 inches
Peripheral Diameter
0.441 inches
Elongation Percentage
160
Criticality Code Justification
Zzzy
Material
Rubber butadiene-acrylonitrile class nbr
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
NSN
5330-01-238-1638
Part Number
2621-906-19PC20
Description
Packing,preformed
CAGE
96169

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

Part 2621-906-19PC20 NSN 5330-01-238-1638

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04521
FIIG:
A032A0
Concept No.:
App. Key:
AC
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:
CRITL:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
148520
UFC:
74340
LTL:
70.0
LCL:
70.0
WCC:
596
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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