AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-643-8697 (016438697) |
| NCB Code | USA (01) |
| Manufacturer | Grainger Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASV | Head Length | 0.25 INCHES NOMINAL |
| AASK | Head Style | FLAT FILLISTER |
| AHYM | Nominal Thread Diameter | 0.25 INCHES |
| AASB | Fastener Length | 1.375 INCHES NOMINAL |
| FEAT | Special Features | TEMP RANGE -65 DEGREES F TO 300 DEGREES F MEETS/EXCEEDS ASME B18.3 AND ASTM F837 MIN. TENSILE STRENGTH 80,000 PSI ROCKWELL HARDNESS B81 TO B100. |
| MATT | Material | STEEL PROPERTY CLASS 18.8 OVERALL |
| AASA | Thread Length | 1.375 INCHES NOMINAL |
| AASL | Head Diameter | 0.375 INCHES NOMINAL |
| ASDB | Width Across Flats | 0.187 INCHES NOMINAL |
| ABQZ | Internal Drive Style | SQUARE |
| MRC | Decoded Requirement | Clear Text Reply |
| AAJF | Thread Direction | RIGHT-HAND |
| HUES | Color | SILVER OVERALL |
| CXCY | Part Name Assigned By Controlling Agency | SKT CAP SCRW, STD, 18-8,1/4-20X1-3/8, PK25 |
| CMLP | Thread Quantity Per Inch | 20 |
| CRHC | Hole Configuration Style | SQUARE FLATS |
| AASU | Head Height | 0.25 INCHES NOMINAL |
| Relevant Components for NSN - 5305-01-643-8697, 5305016438697 | ||||
| 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) | |
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.
Request for Quote