AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Ring Retaining |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 00-449-0264 (004490264) |
| NCB Code | USA (00) |
| Manufacturer | Spirolox Inc, Smalley Steel Ring Co, Oki America Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AARX | INSIDE DIAMETER | 3.756 INCHES MINIMUM AND 3.816 INCHES MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 4.222 INCHES MINIMUM AND 4.252 INCHES MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |
| ACXD | RING STYLE | SPECIAL FLAT |
| ALBY | USAGE DESIGN | INTERNAL |
| AWQD | STRENGTH RATING | 157000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| MATT | MATERIAL | STEEL COMP 4340 AND STEEL COMP 301 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,COMP 4340-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND AMS 5519 ASSN STD 2ND MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| Relevant Components for NSN - 5325-00-449-0264, 5325004490264 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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