NSN 5307-00-639-4578 006394578
Product Details | SPACING THREADED STANDOFF
5307-00-639-4578 A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see STUD (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see NUT (as modified); use maximum dimensions(s) for compliance.
Part Alternates: 006394578
Hardware and Abrasives | Studs
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 00-639-4578 | 40280 ( STANDOFF, THREADED, SPACING ) |
Drawings & Photos | NSN 5307-00-639-4578
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Technical Data | NSN 5307-00-639-4578
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 303 STANDOFF |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,COND B MIL SPEC SINGLE MATERIAL RESPONSE STANDOFF |
| SURFACE TREATMENT | PASSIVATE STANDOFF |
| STYLE DESIGNATOR | 7 FLANGED WITH LEFT INTERNAL THREAD |
| FLANGE DIAMETER | 0.500 INCHES NOMINAL |
| FLANGE THICKNESS | 8.807 INCHES MINIMUM AND 8.817 INCHES MAXIMUM |
| LENGTH | 9.062 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL UNC RIGHT EXTERNAL |
| NOMINAL THREAD SIZE | 0.312 INCHES LEFT INTERNAL 0.312 INCHES RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 18 LEFT INTERNAL 18 RIGHT EXTERNAL |
| THREAD CLASS | 2B LEFT INTERNAL 2A RIGHT EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL RIGHT-HAND RIGHT EXTERNAL |
| THREAD LENGTH | 0.750 INCHES NOMINAL LEFT INTERNAL 0.250 INCHES NOMINAL RIGHT EXTERNAL |
| MANUFACTURERS CODE | 28527 |
| DESIGN CONTROL REFERENCE | NL69362-1 |
Restrictions/Controls & Freight Information | NSN 5307-00-639-4578
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||