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National Stock Number:
5340-00-291-1869
Federal Supply Class:
5340
National Item Identification Number:
002911869
Description:
SEAT,HELICAL COMPRESSION SPRING
Detail:
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.
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Manufacturer Information:
| 1202209-101 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| DISTANCE FROM END TO FIRST STEP | 1.6800 INCHES NOMINAL | | END DIAMETER | 0.9300 INCHES NOMINAL | | BORE DIAMETER | 0.5200 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.6890 INCHES MINIMUM AND 0.6920 INCHES MAXIMUM | | COUNTERBORE LENGTH | 0.3100 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM | | DESIGN TYPE | SOLID | | FIRST STEP DIAMETER | 1.4350 INCHES MINIMUM AND 1.4450 INCHES MAXIMUM | | FIRST STEP LENGTH | 0.2000 INCHES NOMINAL | | OVERALL HEIGHT | 3.1000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | C04-1175 FSCM 36659, TEMPER T76 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 7075 | | SECOND COUNTERSINK DIAMETER | 2.8500 INCHES NOMINAL | | SECOND END DIAMETER | 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM | | SPHERICAL SEAT TOP RADIUS | 0.0300 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM | | STYLE DESIGNATOR | SEAT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LC+77-2037,FSC-36659,CLASS 1,GRADE A,TYPE 1 MFR REF SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE |
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