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National Stock Number:
5325-01-309-7250
Federal Supply Class:
5325
National Item Identification Number:
013097250
Description:
RING,RETAINING
Detail:
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.
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Manufacturer Information:
| MIL-DTL-21248 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS16624-5025 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | R271NAA0025NN643NNAA1 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | INSIDE DIAMETER | 0.245 INCHES MINIMUM AND 0.252 INCHES MAXIMUM | | MAJOR THICKNESS | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL HARDNESS RATING | 56.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 62.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM | | MATERIAL | COPPER ALLOY 170 OR COPPER ALLOY 172 | | RING STYLE | EXTERNAL | | USAGE DESIGN | EXTERNAL |
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