NSN 5306-00-660-2761 FFB575TYPE1GRADE1, 00-660-2761, 006602761
Product Details | MACHINE BOLT
5306-00-660-2761 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: FFB575TYPE1GRADE1, 5306-00-660-2761, 00-660-2761, 5306006602761, 006602761
Hardware and Abrasives | Bolts
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-660-2761 | 01847 ( BOLT, MACHINE ) |
Drawings & Photos | NSN 5306-00-660-2761
Cross Reference | NSN 5306-00-660-2761
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FFB575TYPE1GRADE1 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES |
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Related Products | NSN 5306-00-660-2761
Technical Data | NSN 5306-00-660-2761
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.125 INCHES MINIMUM |
| FASTENER LENGTH | 4.000 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| HEAD STYLE | C13 SQUARE |
| HEAD HEIGHT | 0.278 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| GRIP LENGTH | 2.875 INCHES NOMINAL |
| FEATURES PROVIDED | UNFINISHED HEAD |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFB575TYPE1GRADE1 |
Restrictions/Controls & Freight Information | NSN 5306-00-660-2761
| Category | Code | Description |
|---|---|---|
| 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. |
| 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 | ||