NSN 5340-00-878-1657 556549, 00-878-1657, 008781657
Product Details | HELICAL COMPRESSION SPRING SEAT
5340-00-878-1657 A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a RETAINER, HELICAL COMPRESSION SPRING. Excludes WASHER (1), (as modified); SEAT, BALL SOCKET and HOLDER, SPRING. See also ROTOR, ENGINE POPPET VALVE.
Part Alternates: 556549, 5340-00-878-1657, 00-878-1657, 5340008781657, 008781657
Hardware and Abrasives | Hardware, Commercial
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 25 SEP 1974 | 00-878-1657 | 24328 ( SEAT, HELICAL COMPRESSION SPRING ) |
Drawings & Photos | NSN 5340-00-878-1657
Cross Reference | NSN 5340-00-878-1657
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 556549 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Technical Data | NSN 5340-00-878-1657
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY, QQ-A-268-CANCELED |
| MATERIAL HARDNESS RATING | NOT RATED |
| STYLE DESIGNATOR | N10 SEAT |
| OVERALL HEIGHT | 0.1800 INCHES NOMINAL |
| END DIAMETER | 1.9400 INCHES NOMINAL |
| BORE DIAMETER | 0.5200 INCHES NOMINAL |
| COUNTERBORE LENGTH | 0.1000 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 1.7600 INCHES NOMINAL |
| LAND HEIGHT | 0.0800 INCHES NOMINAL |
| SPHERICAL SEAT TOP RADIUS | 0.0160 INCHES MINIMUM AND 0.0470 INCHES MAXIMUM |
| DESIGN TYPE | SOLID |
| SPECIAL FEATURES | NOT CASEHARDENED |
| III FSC APPLICATION DATA | SEPARATOR,WATER,ACFT AIR CONDITIONING SYSTEM |
| MANUFACTURERS CODE | 73030 |
| DESIGN CONTROL REFERENCE | 556549 |
Restrictions/Controls & Freight Information | NSN 5340-00-878-1657
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | P | There is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product |
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| NMF Description | 133300 | MACHINERY/MACHINES NOI |
| Less than car load rating | M | 85 |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 713 | unknown |
| Originating Activity Code | SX | Oklahoma City Air Logistics Center Tinker AFB, OK 73145-3043 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | ||
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |