NSN 5306-00-208-5073 MILDTL1222, MIL-DTL-1222, MILS1222
Product Details | MACHINE BOLT
5306-00-208-5073 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
Part Alternates: MILDTL1222, MIL-DTL-1222, MILS1222, MIL-S-1222, 5306-00-208-5073, 00-208-5073, 5306002085073, 002085073
Hardware and Abrasives | Bolts
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01-JAN-63 | 00-208-5073 | 01847 ( BOLT, MACHINE ) |
Demand History | NSN 5306-00-208-5073
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| MILDTL1222 | 2025-03-72 | 40 | United States |
| MILDTL1222 | 2025-02-49 | 40 | United States |
| MILS1222 | 2025-01-22 | 8 | United States |
| MILS1222 | 2025-01-22 | 8 | United States |
| MILDTL1222 | 2023-06-159 | 12 | United States |
| MILS1222 | 2015-03-89 | 3000 | BH |
| MILS1222 | 2014-08-230 | 1 | US |
| MILDTL1222 | 2013-06-169 | 59 | US |
| MILS1222 | 2012-07-209 | 4 | United States |
| MILS1222 | 2012-03-74 | 1 | US |
| MILS1222 | 2011-02-49 | 3 | US |
| MILS1222 | 2011-02-49 | 4 | US |
| MILS1222 | 2011-02-49 | 5 | US |
| MILS1222 | 2011-02-49 | 10 | US |
| MILS1222 | 2011-02-49 | 18 | US |
| MILS1222 | 2011-02-49 | 35 | US |
| MILS1222 | 2011-02-49 | 40 | US |
| MILS1222 | 2011-02-49 | 42 | US |
| MILS1222 | 2011-02-49 | 185 | US |
| MILS1222 | 2011-02-49 | 195 | US |
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Technical Data | NSN 5306-00-208-5073
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.500 INCHES MINIMUM |
| FASTENER LENGTH | 3.000 INCHES NOMINAL |
| MATERIAL | STEEL COMP 1050 OR STEEL COMP 1552 OR STEEL COMP 1053 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TY 2 CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | C1 HEXAGON |
| HEAD HEIGHT | 0.172 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |
| GRIP LENGTH | 1.500 INCHES NOMINAL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.875 INCHES NOMINAL FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.090 INCHES NOMINAL FIRST HOLE |
| FEATURES PROVIDED | FINISHED HEAD |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 5 GRADE |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-S-1222 |
Restrictions/Controls & Freight Information | NSN 5306-00-208-5073
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||



