NSN 5310-00-490-4658 P344028800, P344-0288-00, 334-0288-00
Product Details | HEXAGON PLAIN NUT
5310-00-490-4658 A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.
Part Alternates: P344028800, P344-0288-00, 334-0288-00, 5310-00-490-4658, 00-490-4658, 5310004904658, 334028800, 004904658
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 OCT 1969 | 00-490-4658 | 01857 ( NUT, PLAIN, HEXAGON ) |
Drawings & Photos | NSN 5310-00-490-4658
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Technical Data | NSN 5310-00-490-4658
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNS |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | COPPER ALLOY OVERALL |
| SURFACE TREATMENT | NICKEL OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290,CL 1,TY 7 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | NOT RATED |
| NUT STYLE | A12 HEXAGON |
| NUT HEIGHT | 0.057 INCHES MINIMUM AND 0.066 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| BEARING SURFACE TYPE | CHAMFERED |
| TEMP RATING | NOT RATED |
| MANUFACTURERS CODE | 13499 |
| DESIGN CONTROL REFERENCE | 334-0288-00 |
Restrictions/Controls & Freight Information | NSN 5310-00-490-4658
| 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 | ||