NSN 5340-01-149-2027
Part Details | HELICAL COMPRESSION SPRING SEAT
5340-01-149-2027 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.
Alternate Parts: 0711322111, 0711322-111, 10112773, 5340-01-149-2027, 01-149-2027, 5340011492027, 011492027
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 16, 1983 | 01-149-2027 | 24328 ( SEAT, HELICAL COMPRESSION SPRING ) |
REFERENCE DRAWINGS & PICTURES
SEAT
Cross Reference | NSN 5340-01-149-2027
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 0711322-111 | 98391 | ARKWIN INDUSTRIES, INC. |
| 10112773 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
Technical Data | NSN 5340-01-149-2027
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 630 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | RCB32.0 ROCKWELL C MAXIMUM AND 37.0 ROCKWELL C MAXIMUM |
| SURFACE TREATMENT | PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS13001, MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | SEAT |
| OVERALL HEIGHT | 0.4900 INCHES NOMINAL |
| END DIAMETER | 0.5000 INCHES NOMINAL |
| DISTANCE FROM END TO FIRST STEP | 0.3280 INCHES NOMINAL |
| FIRST STEP DIAMETER | 0.5300 INCHES NOMINAL |
| FIRST STEP LENGTH | 0.1000 INCHES NOMINAL |
| SECOND STEP DIAMETER | 0.7500 INCHES NOMINAL |
| BORE DIAMETER | 0.2810 INCHES MINIMUM AND 0.2830 INCHES MAXIMUM |
| COUNTERBORE LENGTH | 0.3740 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.3480 INCHES MINIMUM AND 0.3520 INCHES MAXIMUM |
| DESIGN TYPE | SOLID |
| SPECIAL FEATURES | NOT CASEHARDENED |