NSN 5310-00-550-4780 C278, 00-550-4780, 005504780
Product Details | HEXAGON PLAIN NUT
5310-00-550-4780 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: C278, 5310-00-550-4780, 00-550-4780, 5310005504780, 005504780
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-550-4780 | 01857 ( NUT, PLAIN, HEXAGON ) |
Drawings & Photos | NSN 5310-00-550-4780
Cross Reference | NSN 5310-00-550-4780
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| C278 | 98939 | AEROCONTROLEX GROUP, INC. DBA AERO FLUID PRODUCTS |
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Technical Data | NSN 5310-00-550-4780
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNEF |
| NOMINAL THREAD SIZE | 0.812 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 416 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HARDNESS RATING | NOT RATED |
| NUT STYLE | A12 HEXAGON |
| NUT HEIGHT | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| HOLE CONFIGURATION STYLE | H8 CONFIGURATION H |
| HOLE TYPE AND QUANTITY | 3 DRILLED |
| DRILLED HOLE DIAMETER | 0.170 INCHES NOMINAL |
| BEARING SURFACE TYPE | CHAMFERED |
| TEMP RATING | NOT RATED |
| MANUFACTURERS CODE | 98939 |
| DESIGN CONTROL REFERENCE | C278 |
Restrictions/Controls & Freight Information | NSN 5310-00-550-4780
| 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 |
|---|---|---|
| NMF Description | 093486 | BOLTS,NUTS OR SCREWS, NOI (SUB 3) |
| Less than car load rating | U | 50 |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 573 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |