| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-838-9800 (008389800) |
| NCB Code | USA (00) |
| Manufacturer | Flightline Electronics Inc, Bristol Babcock Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 2-56-4 | flightline electronics inc | screw cap socket head | 50027 | RFQ |
| 2-56-4 | bristol babcock inc | screw cap socket head | 08664 | RFQ |
| 30155-2-4 | flightline electronics inc | screw cap socket head | 50027 | RFQ |
| 30155-2-4 | bristol babcock inc | screw cap socket head | 08664 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| MATT | MATERIAL | STEEL COMP 4037 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.250 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.250 INCHES NOMINAL |
| AASK | HEAD STYLE | BUTTON |
| AASL | HEAD DIAMETER | 0.154 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| AAUK | SPLINE WIDTH | 0.010 INCHES MINIMUM AND 0.011 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SIX SPLINE |
| AHYM | NOMINAL THREAD DIAMETER | 0.086 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 56 |
| AASU | HEAD HEIGHT | 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM |
| AAUH | SPLINE MINOR DIAMETER | 0.040 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
| AAUJ | SPLINE MAJOR DIAMETER | 0.049 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| Components Related to NSN - 5305-00-838-9800, 5305008389800 | ||||
| 5340-01-301-6428 (5340013016428) | 5315-01-359-8766 (5315013598766) | 5330-01-647-7723 (5330016477723) | 5330-00-883-3709 (5330008833709) | |
| 5330-01-632-1994 (5330016321994) | 5330-01-209-0521 (5330012090521) | 5306-00-687-6359 (5306006876359) | 5331-01-699-1752 (5331016991752) | |
| 5340-00-337-5707 (5340003375707) | 5340-00-427-0270 (5340004270270) | 5342-00-467-6645 (5342004676645) | 5340-01-227-0536 (5340012270536) | |
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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