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National Stock Number:
4820-01-340-4902
Federal Supply Class:
4820
National Item Identification Number:
013404902
Description:
GUIDE,VALVE STEM
Detail:
A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.
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Manufacturer Information:
| 7M7526-1 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| AA END RADIUS | 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM | | BB END SHANK DIAMETER | 0.495 INCHES MINIMUM AND 0.498 INCHES MAXIMUM | | MAJOR DIAMETER LENGTH | 0.400 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.167 INCHES MINIMUM AND 2.172 INCHES MAXIMUM | | OVERALL LENGTH | 2.275 INCHES MINIMUM AND 2.285 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6, T6, 851 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/8, T6 FED SPEC 2ND MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 | | SPECIAL FEATURES | FLANGE HAS 3 HOLES 0.171 IN. DIA BY 0.280 IN. DEEP EQUALLY SPACED ON 1.625 IN. DIA B.C. TAP FOR 8-32UNF-3B HELICAL INSERT PER MS33537,3 PLACES (0.200 IN. MIN FULL THREADS); END OPPOSITE OF FLANGE HAS 1 HOLE 0.201 IN. DIA BY 0.450 IN. MIN DEEP. TAP FOR 10-32UNF-3B HELICAL INSERT PER MS33537(0.320 IN. MIN FULL THREADS); SURFACE TREATMENT: ANODIZE PER MIL-A-8625,TYPE II,CLASS 1 | | STYLE DESIGNATOR | PLAIN FLANGED |
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