| Item Name | Bolt Square Neck |
| INC Code | 15939 |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-399-3109 (013993109) |
| NCB Code | USA (01) |
| Manufacturer | J W Speaker Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AGQB | NECK LENGTH | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| CWXQ | NECK WIDTH | 0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429, GRADE 2 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| AASL | HEAD DIAMETER | 0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SFTT | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
| HUES | COLOR | YELLOW OVERALL |
| AASK | HEAD STYLE | BUTTON |
| AASA | THREAD LENGTH | 0.751 INCHES MINIMUM AND 0.832 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.970 INCHES MINIMUM AND 1.020 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASU | HEAD HEIGHT | 0.188 INCHES MINIMUM AND 0.288 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5306-01-399-3109, 5306013993109 | ||||
| 5306-01-044-6542 (5306010446542) | 5306-00-638-3143 (5306006383143) | 5306-01-599-7864 (5306015997864) | 5306-01-580-9186 (5306015809186) | |
| 5306-00-836-0237 (5306008360237) | 5306-00-490-4588 (5306004904588) | 5306-00-515-7096 (5306005157096) | 5306-01-339-9553 (5306013399553) | |
| 5306-00-655-7488 (5306006557488) | 5306-01-669-6717 (5306016696717) | 5306-00-151-0433 (5306001510433) | 5306-00-452-4577 (5306004524577) | |
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