Model: 1540-21SPP

Retaining Ring

Properties:

Cross Sectional Shape
Rectangular
Inside Diameter
Between 0.179 inches and 0.185 inches
Casehardening Indicator
Not casehardened
Major Thickness
Between 0.023 inches and 0.027 inches
Ring Style
E
Usage Design
External
Material
Steel, astm a682, grade 1060 or steel, astm a682, grade 1064 or steel, astm a682, grade 1065 or steel, astm a682, grade 1070 or steel, astm a682, grade 1074 or steel, astm a682, grade 1080 or steel, astm a682, grade 1085 or steel, astm a682, grade 1086 or steel, astm a682, grade 1095
Material
Steel comp 1060 or steel comp 1064 or steel comp 1065 or steel comp 1070 or steel comp 1074 or steel comp 1080 or steel comp 1085 or steel comp 1086 or steel comp 1095
Material Specification
Astm a682, grade 1060 assn standard 1st material response and astm a682, grade 1064 assn standard 2nd material response and astm a682, grade 1065 assn standard 3rd material response and astm a682, grade 1070 assn standard 4th material response and astm a682, grade 1074 assn standard 5th material response and astm a682, grade 1080 assn standard 6th material response and astm a682, grade 1085 assn standard 7th material response and astm a682, grade 1086 assn standard 8th material response and astm a682, grade 1095 assn standard 9th material response
Surface Treatment
Phosphate zinc
Surface Treatment
Phosphate, dod-p-16232, type z, class 2
NSN
5325-01-356-2612
Part Number
1540-21SPP
Description
Ring,retaining
CAGE
54963

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 1540-21SPP NSN 5325-01-356-2612

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
095190
UFC:
49790
LTL:
RATING VARIABLE
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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