Model: 21-41411-1

Packing Retainer

Properties:

Cross Sectional Shape
Flange
Attachment Method
Round hole
Attachment Feature Quantity
6
Attachment Hole Diameter
0.438 inches
Cross-sectional Thickness
0.342 inches
Cross-sectional Height
Between 0.532 inches and 0.594 inches
Rim Surface Width
0.344 inches
Center Hole Diameter
3.813 inches
Peripheral Diameter
Between 6.407 inches and 6.479 inches
Fsc Application Data
Catapult, aircraft launching
NSN
5330-00-572-7476
Part Number
21-41411-1
Description
Retainer,packing
CAGE
80020

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

Part 21-41411-1 NSN 5330-00-572-7476

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13706
FIIG:
A032A0
Concept No.:
App. Key:
AF
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:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
77.5
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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