| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-917-0993 (009170993) |
| NCB Code | USA (00) |
| Manufacturer | Precision Fastening Sub Omark Industries Inc, Huck International Inc, Lisi Aerospace Canada Corp, Northrop Grumman Technical Services Inc, Alcoa Global Fasteners Inc, Hi Shear Corporation, Northrop Grumman Systems Corporation, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 51B221-23 | precision fastening sub omark industries inc | screw machine | 85495 | RFQ |
| 51B221-23 | huck international inc | screw machine | 97928 | RFQ |
| 51B221-23 | lisi aerospace canada corp | screw machine | l4528 | RFQ |
| 51B221-23 | northrop grumman technical services inc | screw machine | 0jrc1 | RFQ |
| 51B221-23 | alcoa global fasteners inc | screw machine | 06950 | RFQ |
| 51B221-23 | hi shear corporation | screw machine | 73197 | RFQ |
| 51B221-23 | northrop grumman systems corporation | screw machine | 76823 | RFQ |
| 51B221-23 | sps technologies inc | screw machine | 80539 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.276 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.423 INCHES MINIMUM AND 1.470 INCHES MAXIMUM |
| AASK | HEAD STYLE | PAN |
| AASL | HEAD DIAMETER | 0.381 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | TORQUE SET |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| CYAU | SCREW MATERIAL | STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE |
| CYBK | SHANK SURFACE FINISH | 32.0 MICROINCHES |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ZZZK | SPECIFICATION/STANDARD DATA | 76823-51B221 MANUFACTURERS STANDARD |
| Relevant Components for NSN - 5305-00-917-0993, 5305009170993 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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