Model: 303851

Retaining Ring

Properties:

Cross Sectional Shape
Rectangular
Inside Diameter
Between 0.456 inches and 0.463 inches
Casehardening Indicator
Not casehardened
Major Thickness
Between 0.033 inches and 0.037 inches
Ring Style
External
End Application
W/s: aircraft, (ac-130h, mc-130h, ec-130e, hc-130); support equipment, b-1 aircraft, elevators, aircraft; boilers, 1200 psi; stream (std. Tensioned replensihment at sea method); engine, aircraft tf33-pw-102 (c-135e, ec-135h/k/p); fire pums; guided missile launching system, mk 26 (gmls); gun, 5-in./54 cal, mk-42 & 45
Usage Design
External
Material Hardness Rating
Between 66.0 rockwell superficial 30-n and 71.0 rockwell superficial 30-n
Material
Steel, fed standard 66 aisi 1066 or 1069 or 1070 or 1072 or 1074 or 1075 or 1078 or 1080 or 1084 or 1086 or 1090
Material
Steel, fed standard 66 aisi 1066 or 1069 or 1070 or 1072 or 1074 or 1075 or 1078 or 1080 or 1084 or 1086 or 1090
Surface Treatment
Cadmium and chromate or chromate zinc
Surface Treatment
Cadmium, qq-p-416, type 2, class 3 or zinc plated, mil-c-81562, type 2 cl 3
NSN
5325-00-803-7301
Part Number
303851
Description
Ring,retaining
CAGE
H0G87

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 303851 NSN 5325-00-803-7301

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:
SX
CRITL:
X

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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