Model: AV-77-742/PC 17

Preformed Packing

Special Features:

Mil-std-129

Properties:

Cross Sectional Shape
O-ring
Cross-sectional Height
Between 0.067 inches and 0.073 inches
Center Hole Diameter
Between 0.234 inches and 0.244 inches
Hardness Rating
70.0 shore durometer a
Criticality Code Justification
Zzzw
Material
Rubber butadiene-acrylonitrile class nbr
Material Specification
Mil-p-25732 military specification single material response
Departure From Cited Document
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
NSN
5330-01-238-9051
Part Number
AV-77-742/PC 17
Description
Packing,preformed
CAGE
04845

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 AV-77-742/PC 17 NSN 5330-01-238-9051

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:
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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