| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-434-3749 (014343749) |
| NCB Code | USA (01) |
| Manufacturer | American National Standards |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| B18 3 1M M12X1 75X25 SHCS ZNPL | american national standards | screw cap socket head | 80204 | RFQ |
| B1831BH120025N | american national standards | screw cap socket head | 80204 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASU | Head Height | 11.7 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM |
| CQFM | Hardness Rating | 38.0 ROCKWELL C MINIMUM OVERALL AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| STDC | Surface Treatment Document And Classification | ASTM B633,TYPE 2,CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ABQZ | Internal Drive Style | HEXAGON |
| AHYM | Nominal Thread Diameter | 12.0 MILLIMETERS |
| CQWR | External Thread Tolerance Class | 4G6G |
| AASB | Fastener Length | 25.0 MILLIMETERS NOMINAL |
| AASA | Thread Length | 25.0 MILLIMETERS NOMINAL |
| THSD | Thread Series Designator | M |
| AASL | Head Diameter | 17.6 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM |
| CQBC | Minimum Tensile Strength | 1220 MEGAPASCALS |
| SFTT | Surface Treatment | ZINC OVERALL AND CHROMATE OVERALL |
| MATT | Material | STEEL PROPERTY CLASS 12.9 OVERALL |
| CQQR | Thread Pitch In Millimeters | 1.75 |
| CQHQ | Minimum Yield Strength | 1100 MEGAPASCALS |
| AAJF | Thread Direction | RIGHT-HAND |
| MRC | Decoded Requirement | Clear Text Reply |
| ASDB | Width Across Flats | 12.0 MILLIMETERS MINIMUM AND 12.1 MILLIMETERS MAXIMUM |
| MDCL | Material Document And Classification | DIN 912 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AASK | Head Style | FLAT CHAMFER |
| Relevant Components for NSN - 5305-01-434-3749, 5305014343749 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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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