Retaining Ring

MIL-DTL-21248

MIL-DTL-21248
(NSN) National Stock Number
5325-00-004-3138
Federal Supply Classification
5325 Fastening Devices
Item Name Code
07623
Schedule B Code
9606100000
Summary

Rectangular cross-sectional shape style, not casehardened casehardening indicator, 5.705 inches minimum and 5.835 inches maximum outside diameter, 0.121 inches minimum and 0.129 inches maximum major thickness, internal ring style, internal usage design

DAC HCC DMIL RNCC
E - - 4
RNVC SADC MSDS RNAAC
1 - - ZZ
Identification

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.

INC FIIG Concept Condition
07623 T252-G - 1
Specifications
Cross-Sectional Shape Style
rectangular
Details The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
Casehardening Indicator
not casehardened
Details Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.
Outside Diameter
5.705 inches minimum and 5.835 inches maximum
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
Major Thickness
0.121 inches minimum and 0.129 inches maximum
Details None.
Ring Style
internal
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the ring.
Usage Design
internal
Details Indicates the designed use of the item.
Material Hardness Rating
45.0 rockwell c minimum and 52.0 rockwell c maximum
Details A numeric value that reflects the hardness of the material when used in conjunction with a hardness rating scale.
Material
steel comp 1066 or steel comp 1069 or steel comp 1070 or steel comp 1072 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080 or steel comp 1084 or steel comp 1086 or steel comp 1090
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
fed std 66 aisi 1066 or 1069 or 1070 or 1072 or 1074 or 1075 or 1078 or 1080 or 1084 or 1086 or 1090 fed std all material responses
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Surface Treatment
cadmium and chromate
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
3000-X525-ST-CD 07382 4 - C 1 - ZZ
3000-X525-ST-CD 97464 4 - 5 9 - KZ
N1300-525CD 54963 5 - 5 9 - KZ
MS16625-1525 96906 4 - 2 2 - SE
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
49790 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CAGE: 81349
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FAQs
Frequently asked questions for NSN 5325-00-004-3138
What is the NIIN of the NSN 5325-00-004-3138?
The National Item Identification Number (NIIN) of the NSN 5325-00-004-3138 is 00-004-3138
When the NSN 5325-00-004-3138 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Jun 9, 1972
Does the NSN 5325-00-004-3138 contain any precious metals?
Type/content is unknown
Does the NSN 5325-00-004-3138 contain any hazardous material?
No data in HMIRS

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