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National Stock Number:
5340-01-254-1470
Federal Supply Class:
5340
National Item Identification Number:
012541470
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:
| 68A412739-2001 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| BORE DIAMETER | 1.5000 INCHES NOMINAL | | COUNTERBORE DIAMETER | 1.7500 INCHES NOMINAL | | COUNTERBORE LENGTH | 0.4000 INCHES NOMINAL | | DESIGN TYPE | SOLID | | DISTANCE FROM END TO FIRST STEP | 0.1900 INCHES NOMINAL | | END DIAMETER | 1.6850 INCHES MINIMUM AND 1.6950 INCHES MAXIMUM | | FIRST STEP DIAMETER | 2.6050 INCHES MINIMUM AND 2.6150 INCHES MAXIMUM | | FIRST STEP LENGTH | 0.1200 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/11, T73511 OR T7351 OR T73 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 7075 | | OVERALL HEIGHT | 0.9000 INCHES NOMINAL | | SECOND END DIAMETER | 1.9650 INCHES MINIMUM AND 1.9750 INCHES MAXIMUM | | SPECIAL FEATURES | FIRST STEP DIAMETER UNDERCUT AND RELIEVED SHOULDER;BOTH ENDS COUNTERSINK 30.0 DEG | | STYLE DESIGNATOR | SEAT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS15548,MCDONNEL AIRCRAFT CO MFR REF SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE |
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