| 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, Oki America Inc, Smalley Steel Ring Co |
| 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 | ||||
| 5305-01-586-4216 (5305015864216) | 5315-01-329-3032 (5315013293032) | 5340-01-508-5897 (5340015085897) | 5306-01-476-8561 (5306014768561) | |
| 5330-00-171-7965 (5330001717965) | 5305-01-182-2172 (5305011822172) | 5330-00-395-1573 (5330003951573) | 5330-00-872-6408 (5330008726408) | |
| 5342-01-663-1331 (5342016631331) | 5310-00-631-6060 (5310006316060) | 5305-01-369-8238 (5305013698238) | 5306-01-664-2091 (5306016642091) | |
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