Model: DF4-99

Retaining Ring

Properties:

Cross Sectional Shape
Rectangular
Inside Diameter
Between 1.323 inches and 1.339 inches
Casehardening Indicator
Not casehardened
Major Thickness
Between 0.048 inches and 0.052 inches
Ring Style
C
Usage Design
External
Material Hardness Rating
Between 47.0 rockwell c and 52.0 rockwell c
Strength Rating
211000.0 pounds per square inch tensile
Criticality Code Justification
Zzzy
Material
Steel, sae no. 1066 to 1090
Material
Steel, sae no. 1066 to 1090
Departure From Cited Designator
As modified by strength rating
Reference Number Differentiating Characteristics
As differentiated by material which must conform to ships parts control center special quality control provisions
NSN
5325-00-664-2786
Part Number
DF4-99
Description
Ring,retaining
CAGE
34640

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.

Part DF4-99 NSN 5325-00-664-2786

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
07623
FIIG:
T252-G
Concept No.:
App. Key:
GA
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:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
S

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
095190
UFC:
49790
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 9606100000
  • SITC: 89983
  • End Use: Finished textile supplies
  • NAICS: 339993
  • USDA: 1

Freight Class: Press-fasteners, snap-fasteners & press-studs & parts therefor

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