NSN 5340-01-278-6631
Part Details | ACCESS COVER
5340-01-278-6631 A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see DOOR, ACCESS (as modified). Excludes all covers not specifically designed to provide access for the purposes listed above.
Alternate Parts: 8979901, 897990-1, 8979901, 897990-1, 5340-01-278-6631, 01-278-6631, 5340012786631, 012786631
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 07, 1988 | 01-278-6631 | 29785 ( COVER, ACCESS ) |
REFERENCE DRAWINGS & PICTURES
SPHERICAL RECESS
Cross Reference | NSN 5340-01-278-6631
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 897990-1 | 49956 | RAYTHEON COMPANYDBA RAYTHEON |
| 897990-1 | 3B150 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5340-01-278-6631
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 5052 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250 TO 8 FED SPEC SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-E-15090 MIL SPEC SINGLE TREATMENT RESPONSE |
| WIDTH | 1.316 INCHES MINIMUM AND 1.331 INCHES MAXIMUM |
| BOLT CIRCLE DIAMETER | 0.141 INCHES MINIMUM AND 0.147 INCHES MAXIMUM |
| LENGTH | 2.000 INCHES NOMINAL |
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH | 0.281 INCHES NOMINAL |
| DISTANCE BETWEEN HOLES ALONG LENGTH | 1.437 INCHES NOMINAL |
| DISTANCE BETWEEN HOLES ALONG WIDTH | 0.656 INCHES NOMINAL |
| HOLE QUANTITY ALONG LENGTH | 2 |
| HOLE QUANTITY ALONG WIDTH | 2 |
| CROSS-SECTIONAL SHAPE STYLE | 9 SPHERICAL RECESS |
| FLANGE THICKNESS | 0.032 INCHES NOMINAL |
| INSIDE WIDTH | 1.380 INCHES MINIMUM AND 1.395 INCHES MAXIMUM |
| FIRST RECESS INSIDE HEIGHT | 0.780 INCHES NOMINAL |
| INSIDE CORNER RADIUS | 0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |
| BODY THICKNESS | 0.032 INCHES NOMINAL |